1
Question
Point to be kept in mind for verification of Ohm’s law is _______
Point to be kept in mind for verification of Ohm’s law is _______
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Solution
The correct option is B Ammeter should be connected in series and voltmeter in parallel
The explanation of the correct answer
In the case of option B
- The ammeter should be connected in series, and the voltmeter should be connected in parallel.
- The ammeter is a device that is used to detect the flow of current while a voltmeter is a device that measures the difference in potential between two locations.
- The ammeter's impedance is low. It is linked in a sequence and would cause a short circuit in the circuit if it was linked in parallel.
- The resistance of the voltmeter is very high. It is linked in a parallel manner and would obstruct the current passage in the circuit if linked in series.
The explanation of the incorrect answer.
In the case of option A
As discussed above, the ammeter should be connected in series and the voltmeter should be connected in parallel. Hence, this option is incorrect.
In the case of option C
As discussed above, the ammeter should be connected in series and the voltmeter should be connected in parallel. Hence, this option is incorrect.
In the case of option D
As discussed above, the ammeter should be connected in series and the voltmeter should be connected in parallel. Hence, this option is incorrect.
Ammeter should be connected in series and voltmeter in parallel
The explanation of the correct answer
In the case of option B
- The ammeter should be connected in series, and the voltmeter should be connected in parallel.
- The ammeter is a device that is used to detect the flow of current while a voltmeter is a device that measures the difference in potential between two locations.
- The ammeter's impedance is low. It is linked in a sequence and would cause a short circuit in the circuit if it was linked in parallel.
- The resistance of the voltmeter is very high. It is linked in a parallel manner and would obstruct the current passage in the circuit if linked in series.
The explanation of the incorrect answer.
In the case of option A
As discussed above, the ammeter should be connected in series and the voltmeter should be connected in parallel. Hence, this option is incorrect.
In the case of option C
As discussed above, the ammeter should be connected in series and the voltmeter should be connected in parallel. Hence, this option is incorrect.
In the case of option D
As discussed above, the ammeter should be connected in series and the voltmeter should be connected in parallel. Hence, this option is incorrect.
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