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A galvanometer has a sensitivity of 10 d...

A galvanometer has a sensitivity of `10` divisions per milli ampere. Its resistance is `50Omega`. The shunt required to change its sensitivity to `2` divisions per milli ampere is

A

`42.5 Omega`

B

`32.5 Omega`

C

`22.5 Omega`

D

`12.5 Omega`

Text Solution

Verified by Experts

The correct Answer is:
D
`i_(g)=[(S)/(G+S)]i`
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