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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

`6000 ohm`

Text Solution

Verified by Experts

The correct Answer is:
1
`R=(V)/(i_(g))-G`
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