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The resistance of the coil of a tangent ...

The resistance of the coil of a tangent galvanometer is `60Omega`. It is connected to a battery of negligible internal resistance. The deflection is found to be `60^(@)`. Now a shunt resistance of `30Omega` is connected across the coil of the tangent galvanometer. The deflection produced will be

A

`30^@`

B

`45^@`

C

`60^@`

D

`37^@`

Text Solution

Verified by Experts

The correct Answer is:
C
`I = k tan theta `
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