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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

`500 Omega`

B

`1000 Omega`

C

`200Omega`

D

`100 Omega`

Text Solution

Verified by Experts

The correct Answer is:
D
`V_(R)=2V=(R/(500+R))xx12implies R=100 Omega`
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