If an ideal voltmeter V connected across 4 2 in the circuit shown below shows null deflection then 2Q 4Q 15 V ww R value of R is

Question

If an ideal voltmeter V connected across 4 2 in the circuit shown below shows null deflection then 2Q 4Q 15 V ww R value of R is 192 value of R is 202 Current through 5 V battery will be 0 Current through 15 V battery will be 0 5 V

Kunduz · Accepted Answer

Click to see the answer