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A galvanometer of resistance 25Omega is ...

A galvanometer of resistance `25Omega` is connected to a battery of 2 volt along with a resistance in series. When the value of this resistance is `3000Omega`, a full scale deflection of 30 units is obtained in the galvanometer. In order to reduce this deflection to 20 units, the resistance in series will be

A

4513ohm

B

5413ohm

C

2000ohm

D

6000ohm

Text Solution

Verified by Experts

The correct Answer is:
A
`R = (V)/(i_g) - G`
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