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A galvanometer has a resistance of 118Om...

A galvanometer has a resistance of `118Omega` and gives full scale deflection for a current of 50 m A. if it is required to convert into an ammeter of range 3A, the shunt resistance should be

A

`0.2 Omega`

B

`0.28Omega`

C

`2Omega`

D

`2.8Omega`

Text Solution

Verified by Experts

The correct Answer is:
C
`I_g=((S)/(S+G))I=(((G//n))/((G//n)+G))I=((1)/(n+1))I`
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