CN109671321A - A kind of resistance measurement Experimental Teaching Method and its system - Google Patents
A kind of resistance measurement Experimental Teaching Method and its system Download PDFInfo
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- CN109671321A CN109671321A CN201910129468.3A CN201910129468A CN109671321A CN 109671321 A CN109671321 A CN 109671321A CN 201910129468 A CN201910129468 A CN 201910129468A CN 109671321 A CN109671321 A CN 109671321A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B7/00—Electrically-operated teaching apparatus or devices working with questions and answers
- G09B7/02—Electrically-operated teaching apparatus or devices working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/187—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for measuring instruments
Abstract
The present invention provides a kind of resistance measurement Experimental Teaching Method and its systems, it is related to experimental teaching technical field, student can be made to carry out going deep into thinking in operation, have deeper understanding to circuit structure and resistance value measurement, to improve the manipulative ability and analysis problem-solving ability of student；This method comprises: S1, one circuit structure of selection from the circuit structure of teaching topic memory module；S2, externally input switching toggle data are received, circuit structure is made to form closed circuit；S3, input module receive the measured value of externally input resistor, and are transferred to judgment module and compare with the nominal value progress goodness of fit, then comparing result is transferred to display module and is shown；S4, input module receive the externally input measured value and the reason of the nominal value coincide or misfits analysis as a result, and result will be analyzed be transferred to judgment module and judge, obtain course evaluation.During technical solution provided by the invention is suitable for experimental teaching.
Description
[technical field]
The present invention relates to experimental teaching technical field more particularly to a kind of resistance measurement Experimental Teaching Methods and its system.
[background technique]
Experiment of Electrical Circuits is the specialized and basic experiment of institution of higher learning, vocational school's electronic information type student, and experiment content is related to
The basic use of electronic instrument, the verifying of basic circuit theorem, observation of basic circuit phenomenon etc., experiment purpose is to aid in student
Improve manipulative ability, digestion understands theoretical content.A basic operation is to measure resistance using multimeter in Experiment of Electrical Circuits.?
In common teaching process, it is desirable that student measures some resistance using the ohms range of multimeter, and compares with its nominal value.
For example the nominal value of resistance is 510 ohm, the use of the value that multimeter is measured is 512 ohm, in this process, allows student
Learn the application method of multimeter ohms range.In the resistance value measurement procedure for carrying out resistor, a most basic requirement
It is that the other elements in circuit will be disconnected with measured resistance, cannot form parallel relationship, what is otherwise measured is total electricity after parallel connection
Resistance, rather than the resistance value of resistor itself, what is measured will be wrong value.This is a basic common sense, and students exist
Theoretically all understand principle therein, but in actual measurement, may not can but have such consciousness, that is, combine theory and practice together
Ability it is poor.
In teaching process it was found that many students be it is mechanical operated according to step, only simply
The value of some or certain several resistance is measured, then is compared with nominal value, the two is coincide preferably, that is, completes experiment.Not to behaviour
It carries out going deep into thinking as process, deep impression can not be left, act on improving manipulative ability and analyzing problem-solving ability
Less.
[summary of the invention]
In view of this, student can be made in electricity the present invention provides a kind of resistance measurement Experimental Teaching Method and its system
It hinders and carries out going deep into thinking in the operating process of measurement, have deeper understanding to circuit structure and resistance value measurement, to improve student
Manipulative ability and analysis problem-solving ability.
On the one hand, the present invention provides a kind of resistance measurement experiment teaching system, which is characterized in that the tutoring system packet
It includes:
Teaching topic memory module, for prestoring several circuit structures that can be used in resistance measurement experimental teaching and institute
State the corresponding equivalent circuit diagram of circuit structure；
Judgment module, for receiving the input information inputted by input module, and by the input information and judgment module
The information prestored compares, and obtains judging result, and judging result is transferred to display module；
Display module, for showing the judgement of the data and the judgment module that store in the teaching topic memory module
As a result；
Input module, for receiving external input information, and by the input information be transferred to the judgment module or
The display module；
Main control module, respectively with the teaching topic memory module, the judgment module, the display module and described defeated
Enter module connection, for the realization of teaching process and the data exchange of each intermodule.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, the circuit knot
Structure can form it into closed circuit by stirring the position of switch therein or not form closed circuit；Stir the switch
Concrete operations are realized by the input module.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, described in each
Circuit structure corresponds to multiple equivalent circuit diagrams, and the equivalent circuit diagram includes correct and wrong.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, the input mould
The input information of block include: the selection information of circuit structure, the selection information of equivalent circuit diagram, resistor measured value and/or
The reason of measured value and nominal value of resistor coincide or misfit.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, the master control mould
Teaching logic is preset in block；The teaching logic includes: when testing resistance device is multiple and deposits simultaneously in the circuit structure
It the measured value of resistor and is not kissed when measured value and nominal value coincide and misfit two kinds of situations, in the case of first being misfitted
The input of analysis of causes result is closed, then carries out the measured value of resistor and the input of identical analysis of causes result in identical situation.
On the other hand, the present invention provides a kind of resistance measurement experimental teaching side suitable for any description above tutoring system
Method, which is characterized in that specific steps include:
S1, a circuit structure, the circuit knot are selected from the circuit structure that display module is shown by input module
Structure can be by stirring the position formation closed circuit of its switch or not forming closed circuit；
What S2, the input module received externally input switch stirs data, is closed back the circuit structure formation
Road；
S3, the input module receive the measured value of resistor resistance value in the externally input closed circuit, and transmit
The goodness of fit is carried out with the nominal value prestored to judgment module to compare, then comparing result is transferred to display module and is shown；
S4, the input module receive the reason of externally input measured value coincide or misfits with the nominal value
Analysis as a result, and the analysis of causes result be transferred to the judgment module judge, obtain course evaluation；
The course evaluation is transferred to the display module and shown by S5, the judgment module.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation works as testing resistance
Device is multiple and when existing simultaneously measured value and nominal value and coincideing and misfit two kinds of situations, is first inputted in the S3 and the S4
The measured value and the analysis of causes in the case of misfitting as a result, input the measured value in identical situation and described again
Analysis of causes result.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, the tool of the S4
Body process includes:
S41, the input module receive the equivalent circuit diagram of the external closed circuit drawn or receive external input
The selection information for prestoring equivalent circuit diagram；
S42, the input module receive the theoretical equivalent resistance of externally input resistor, and are transferred to the judgement
Module；
S43, the judgment module compare the theoretical equivalent resistance with corresponding measured value, judge whether to kiss
It closes；If coincideing, verifying is correct；If misfitting, authentication error.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, electricity in the S3
The measured value for hindering device resistance value is obtained by multimeter measurement.
The aspect and any possible implementation manners as described above, it is further provided a kind of implementation, the circuit knot
Structure is the circuit structure for being able to verify that Kirchhoff's theorem, superposition theorem and/or homogeneous theorem.
Compared with prior art, the present invention can be obtained including following technical effect: student can be made in resistance measurement
It carries out going deep into thinking in operating process, has deeper understanding to circuit structure and resistance value measurement, to improve the energy of starting of student
Power and analysis problem-solving ability.
Certainly, it implements any of the products of the present invention it is not absolutely required to while reaching all the above technical effect.
[Detailed description of the invention]
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this field
For those of ordinary skill, without creative efforts, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is that kirchhoff/superposition/homogeneous theorem circuit diagram is commonly verified in Experiment of Electrical Circuits；
Fig. 2 is equivalent circuit diagram of the circuit diagram in usual experimental teaching use in Fig. 1；
Fig. 3 is the equivalent circuit diagram when teaching provided by one embodiment of the present invention for Fig. 1 circuit diagram uses；
Fig. 4 is that use multimeter provided by one embodiment of the present invention measures resistance R in Fig. 31Resistance value when equivalent electricity
Lu Tu；
Fig. 5 is the flow chart of resistance measurement Experimental Teaching Method provided by one embodiment of the present invention.
[specific embodiment]
For a better understanding of the technical solution of the present invention, being retouched in detail to the embodiment of the present invention with reference to the accompanying drawing
It states.
It will be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is only to be not intended to be limiting merely for for the purpose of describing particular embodiments
The present invention.In the embodiment of the present invention and the "an" of singular used in the attached claims, " described " and "the"
It is also intended to including most forms, unless the context clearly indicates other meaning.
In order to excite student's initiative thinking, the invention proposes a kind of teaching methods of new resistance measurement.This method meaning
In the data for deliberately allowing student's measurement to make mistake, allows student's thinking to will appear such mistake why, error value is managed
By calculating, and think deeply how to avoid the occurrence of such mistake, so that the measurement process to resistance generates deep impression, improves
Manipulative ability and analysis problem-solving ability.
In general operation, resistance is measured using multimeter, it is only necessary to by multimeter gear switch to ohms range, then
By two end in contact of red-black test pencil and testing resistance.
Fig. 1 is that kirchhoff/superposition/homogeneous theorem circuit diagram is commonly verified in Experiment of Electrical Circuits.In the experiment
In, it usually also requires student and measures resistance R using multimeter1、R2、R3Resistance value, to allow student to learn multimeter ohms range
It uses.
It will switch K in Fig. 11Pull out power supply U1Side, K2Pull out power supply U2When side, 12V and 6V power access circuit will be opened
Close K1Pull out short circuit end, K2When pulling out short circuit end, it is equivalent to access 0V power supply.In order to correctly measure the resistor in figure
Resistance value, during the experiment, it should by power supply U1、U2Circuit is not accessed, and will switch K1Pull out power supply U1Side, by K2It pulls out
Power supply U2Side, such equivalent circuit is with regard to as shown in Figure 2.
Resistance does not form any circuit in the figure, and therefore, measuring any resistance therein is all what there is no problem.Such as
In measurement resistance R1When, as shown in Fig. 2 right figure, i.e., other resistance in circuit are equivalent at this time to be not present equivalent circuit, will not
To resistance R1Measurement impact.
In order to allow student to measure the resistance value of " mistake ", the present invention requires student in Fig. 1 on guide book of experiment
Switch K1Pull out short circuit end, K2Short circuit end is pulled out, then the resistance value of measuring resistance again, at this time the equivalent circuit diagram of circuit such as Fig. 3 institute
Show.
Circuit has formd complete circuit at this time, when measuring wherein some resistance, such as when by the red of multimeter
Black meter pen is placed on resistance R1When both ends measure its resistance value, that actually measure is resistance R1With circuit rest part resistance through going here and there simultaneously
Join the equivalent resistance formed, is not R1The equivalent circuit diagram of the resistance value of itself, measurement is as shown in Figure 4.
It is measuring at this time the result is that wrong, measured value meeting and R1Nominal value have biggish discrepancy, far beyond surveying
Measure the range of error.
Student will be wondering at this time, why can have so big difference, then will think deeply, discuss, can be from
Various aspects account for, and can consider each factor such as measurement error, instrument damage, component ageing, finally recognize it is because of electricity
It is larger that line structure reason results in measurement result deviation.The reason of understanding measuring error and then require student further
Corresponding equivalent resistance in the case where circuit forming circuit is calculated, and is compared with measured value, both students' union's discoveries
Differ smaller, it is theoretical be actually achieved consistent, student will be intuitive and deep to having the problem of encountering in actual circuit at this time
Impression, the understanding to circuit theoretically, bookish simple scenario rises to complexity that may be present in real system
Changeable situation, thus the ability for improving manipulative ability and tackling problems on one's own.
Teaching procedure is as shown in Figure 5.A kind of resistance measurement Experimental Teaching Method, is applied in instructional terminal, and step includes:
Step 1 selects a circuit structure, the circuit by input module from the circuit structure that display module is shown
Structure can be by stirring the position formation closed circuit of its switch or not forming closed circuit.
What step 2, the input module received externally input switch stirs data, and the circuit structure is made to form closure
Circuit；It requires student to stir corresponding switch, circuit is made to form closed circuit.
Step 3, the input module receive the measured value of resistor resistance value in the externally input closed circuit, and pass
It is defeated by judgment module to compare with the nominal value progress goodness of fit prestored, then comparing result is transferred to display module and is shown；It is required that
Student measures the resistance value of dependent resistor using multimeter, and measured value is input in tutoring system.
Step 4, the input module receive what the externally input measured value coincide or misfitted with the nominal value
The analysis of causes as a result, and the analysis of causes result be transferred to the judgment module judge, obtain course evaluation；To electricity
Each resistance select and when being designed to the overall structure of circuit in road, it is ensured that the resistance value of single resistance and waits
It is larger to imitate resistance difference；The circuit diagram is not limited to common circuit structure in Fig. 1, is also possible to other circuit structures.
Input the reason of misfitting analysis result be in fact require student's thinking why measured value and nominal value such as
This is big, and student understands by thinking is final: is just made because other resistance and measured resistance form series-parallel relationship in circuit
Obtaining measured value is not measured resistance value, but equivalent resistance.The thinking of analysis of causes result can allow student to series-parallel reason
It by there is more thorough explanation, makes a profound impression to student, obtains preferable experiment effect.
The content of analysis of causes result further includes the theoretical equivalent resistance of resistor in the calculated equivalent circuit diagram of student,
Convenient for being compared with measured value, further deepen the impression.
The course evaluation is transferred to the display module and shown by step 5, the judgment module.
When testing resistance device is multiple and when existing simultaneously measured value and nominal value and coincideing and misfit two kinds of situations, step
3 and step 4 in measured value in the case of first input is misfitted and the analysis of causes as a result, input again measured value in identical situation and
Analysis of causes result.
The detailed process of step 4 includes:
Step 41, input module receive the equivalent circuit diagram of the external closed circuit drawn or receive externally input prestore
The selection information of equivalent circuit diagram；
Step 42, input module receive the theoretical equivalent resistance of externally input resistor, and are transferred to judgment module；
Step 43, judgment module compare theoretical equivalent resistance with corresponding measured value, judge whether to coincide；If kiss
It closes, then verifying is correct；If misfitting, authentication error.
It needs to score to student in experimental teaching and credit is considered, the score height considered depends on student couple
The measured value thinking big with nominal value is as a result, make student have to do hard thinking.
A kind of resistance measurement experiment teaching system, comprising: circuit structure selecting module, interactive module and judgment module, three
Person is connected to each other.
Circuit structure selecting module prestores several circuit structures that can be used in resistance measurement experimental teaching and several for making
The equivalent circuit diagram of the circuit structure of user's selection；Circuit structure can be formed it by stirring the position of switch therein and be closed
It closes circuit or does not form closed circuit；Each circuit structure corresponds to multiple equivalent circuit diagrams, these equivalent circuit diagrams include just
It is true and mistake, it is selected with for student, constitutes one of multiple-choice question；
Interactive module, for the information prestored in system-computed, judgement obtained result or system to be shown to use
Person, and receive the information that student is input in system；Generally select and shown with display screen, by keyboard, touch screen etc. into
Row information input；
Interactive module includes display module and input module；Display module, for showing the teaching topic memory module
The judging result of the data of middle storage and the judgment module；Input module, for receiving external input information, and will be described
Input information is transferred to the judgment module or the display module；
Judgment module, the corresponding informance prestored in the information and system for student to be input in system are compared, are obtained
Judging result out, and judging result is conveyed to interactive module, student or teacher are shown to by interactive module；Judgment method is preparatory
Whether setting, such as measured value and nominal value coincide and refer to whether coincideing in preset error range, for another example, Xue Shengfen
The reason of precipitation " resistivity measurements caused by series-parallel are equivalent resistance rather than nominal value ", can be overlapped using main term
The method of degree judges, correct reason can also be selected by student with the form of multiple-choice question.Judgement to term registration
Method is illustrated: the keyword of " resistivity measurements caused by series-parallel are equivalent resistance rather than nominal value " have " series connection ",
" parallel connection ", " series-parallel ", further second level keyword further include which specific resistance series connection, which resistor coupled in parallel etc.,
System judges the goodness of fit, and provides score or evaluation according to the goodness of fit；
Main control module, respectively with the teaching topic memory module, the judgment module, the display module and described defeated
Enter module connection, for the realization of teaching process and the data exchange of each intermodule.
Teaching method of the invention, deliberately allows the resistance value of student's measuring resistor in a manner of " mistake ", measures " wrong
Result accidentally "；Need student thinking why measured value and nominal value it is larger, thus excite student active go to think deeply, into
And has deeply to the actual measurement of resistance and intuitively understand；It also needs student to calculate and is tested electricity under the circuit structure of mistake
The theoretical equivalence value of resistance, and compared with measured value, keep student correct to circuit and the circuit original structure and equivalent structure of mistake
There is deep understanding, has reached expected teaching purpose.
Above to a kind of resistance measurement Experimental Teaching Method and its system provided by the embodiment of the present application, carry out in detail
It introduces.The description of the example is only used to help understand the method for the present application and its core ideas；Meanwhile for this field
Those skilled in the art, according to the thought of the application, there will be changes in the specific implementation manner and application range, to sum up
Described, the contents of this specification should not be construed as limiting the present application.
Some vocabulary has such as been used to censure specific components in specification and claims.Those skilled in the art
, it is to be appreciated that hardware manufacturer may call the same component with different nouns.Present specification and claims are not
In such a way that the difference of title is as component is distinguished, but with the difference of component functionally as the criterion of differentiation.Such as
It is an open language in "comprising", " comprising " of the specification and claims in the whole text mentioned in, therefore " packet should be construed to
Containing/including but not limited to "." substantially " refer within the acceptable error range, those skilled in the art can centainly miss
The technical problem is solved in poor range, basically reaches the technical effect.Specification subsequent descriptions be implement the application compared with
Good embodiment, so the description is being not intended to limit the scope of the present application for the purpose of the rule for illustrating the application.
The protection scope of the application is subject to view the appended claims institute defender.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
Include, so that commodity or system including a series of elements not only include those elements, but also including not clear
The other element listed, or further include for this commodity or the intrinsic element of system.In the feelings not limited more
Under condition, the element that is limited by sentence "including a ...", it is not excluded that in the commodity or system for including the element also
There are other identical elements.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, indicate
There may be three kinds of relationships, for example, A and/or B, can indicate: individualism A, exist simultaneously A and B, individualism B these three
Situation.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
Above description shows and describes several preferred embodiments of the present application, but as previously described, it should be understood that the application
Be not limited to forms disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations,
Modification and environment, and the above teachings or related fields of technology or knowledge can be passed through in application contemplated scope described herein
It is modified.And changes and modifications made by those skilled in the art do not depart from spirit and scope, then it all should be in this Shen
It please be in the protection scope of the appended claims.
Claims (10)
1. a kind of resistance measurement experiment teaching system, which is characterized in that the tutoring system includes:
Teaching topic memory module, for prestoring several circuit structures that can be used in resistance measurement experimental teaching and the electricity
The corresponding equivalent circuit diagram of line structure；
Judgment module for receiving the input information inputted by input module, and the input information is prestored with judgment module
Information compare, obtain judging result, and judging result is transferred to display module；
Display module, for showing the judgement knot of the data and the judgment module that store in the teaching topic memory module
Fruit；
Input module is transferred to the judgment module or described for receiving external input information, and by the input information
Display module；
Main control module, respectively with the teaching topic memory module, the judgment module, the display module and the input mould
Block connection, for the realization of teaching process and the data exchange of each intermodule.
2. resistance measurement experiment teaching system according to claim 1, which is characterized in that the circuit structure can pass through
The position for stirring switch therein forms it into closed circuit or does not form closed circuit；The concrete operations for stirring the switch are
It is realized by the input module.
3. resistance measurement experiment teaching system according to claim 1, which is characterized in that each described circuit structure pair
Multiple equivalent circuit diagrams are answered, the equivalent circuit diagram includes correct and wrong.
4. resistance measurement experiment teaching system according to claim 1 to 3, which is characterized in that the input module
Input information include: the selection information of circuit structure, the selection information of equivalent circuit diagram, resistor measured value and/or resistance
The reason of measured value and nominal value of device coincide or misfit.
5. resistance measurement experiment teaching system according to claim 1, which is characterized in that be preset in the main control module
Teaching logic；The teaching logic include: when in the circuit structure testing resistance device be it is multiple and exist simultaneously measured value with
Nominal value coincide and when misfitting two kinds of situations, the measured value of resistor and misfits the analysis of causes in the case of first being misfitted
As a result input, then carry out the measured value of resistor and the input of identical analysis of causes result in identical situation.
6. a kind of resistance measurement Experimental Teaching Method suitable for any tutoring system of claim 1-5, which is characterized in that
Specific steps include:
S1, a circuit structure, the circuit structure energy are selected from the circuit structure that display module is shown by input module
Enough positions by stirring its switch form closed circuit or do not form closed circuit；
What S2, the input module received externally input switch stirs data, and the circuit structure is made to form closed circuit；
S3, the input module receive the measured value of resistor resistance value in the externally input closed circuit, and are transferred to and sentence
Disconnected module carries out the goodness of fit with the nominal value prestored and compares, then comparing result is transferred to display module and is shown；
S4, the input module receive the reason of externally input measured value coincide or misfits with nominal value analysis
As a result, and the analysis of causes result be transferred to the judgment module judge, obtain course evaluation；
The course evaluation is transferred to the display module and shown by S5, the judgment module.
7. resistance measurement Experimental Teaching Method according to claim 6, which is characterized in that when testing resistance device be it is multiple and
When existing simultaneously measured value and nominal value and coincideing and misfit two kinds of situations, situation is misfitted in first input in the S3 and the S4
Under the measured value and the analysis of causes as a result, inputting the measured value and the analysis of causes knot in identical situation again
Fruit.
8. resistance measurement Experimental Teaching Method according to claim 6 or 7, which is characterized in that the detailed process of the S4
Include:
S41, the input module receive the equivalent circuit diagram of the external closed circuit drawn or receive externally input pre-
Deposit the selection information of equivalent circuit diagram；
S42, the input module receive the theoretical equivalent resistance of externally input resistor, and are transferred to the judgement mould
Block；
S43, the judgment module compare the theoretical equivalent resistance with corresponding measured value, judge whether to coincide；If
It coincide, then verifying is correct；If misfitting, authentication error.
9. resistance measurement Experimental Teaching Method according to claim 6 or 7, which is characterized in that resistor hinders in the S3
The measured value of value is obtained by multimeter measurement.
10. resistance measurement Experimental Teaching Method according to claim 6 or 7, which is characterized in that the circuit structure is energy
Enough verify the circuit structure of Kirchhoff's theorem, superposition theorem and/or homogeneous theorem.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110264842A (en) * | 2019-06-28 | 2019-09-20 | 北京科技大学 | A kind of tutoring system and method for the p-wire measuring principle that sharpens understanding |
| CN110427152A (en) * | 2019-07-30 | 2019-11-08 | 上海商汤智能科技有限公司 | Assistant teaching method and relevant apparatus |
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