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When a galvanometer is shunted with a 4 ...

When a galvanometer is shunted with a `4 Omega` resistance, the deflection is reduced to one-fifth. If the galvanometer is further shunted with a `2 Omega` wire, determine current in galvanometer now if initially current in galvanometer is `I_(0)` (given main current remains same).

A

`I_(0)//13`

B

`I_(0)//5`

C

`I_(0)//8`

D

`5I_(0)//13`

Text Solution

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The correct Answer is:
A
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