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In the circuit, the galvanometer G shows...

In the circuit, the galvanometer G shows zero deflection. If the batteries A and b have negligible internal resistance, the value of the resistor R will be -

A

`50 Omega`

B

`100 Omega`

C

`200 Omega`

D

`500 Omega`

Text Solution

Verified by Experts

The correct Answer is:
B

`V_X - V_Y = (R)/(R + 500) xx 12 = 2 rArr R = 100 Omega`.
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