Current Electricity

Question: In the diagram shown, the reading of voltmeter is 20 V and that of ammeter is 4 A. The value of R should be (Consider given ammeter and voltmeter are not ideal)

1) Equal to $5\,\Omega $

2) Greater from $5\,\Omega $

3) Less than $5\,\Omega $

4) Greater or less than $5\,\Omega $ depends on the material of R

Solution:

Explanation: No Explanation

Different Measuring Instruments Potentiometer Meter Bridge

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