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The coild of a galvanometer consists of ...

The coild of a galvanometer consists of 100 turn and effective area `1 cm^(2)`. The restoring couple is `10^(-8) n-m//rad`. The magnetic field between the pole pieces `5` tesla. The current sensitivty per micro ampere.

A

`5xx10^(4)` radian per micro ampere

B

`5xx10^(6)` radian per micro ampere

C

`2xx10^(-7)` radian per micro ampere

D

5 radian per micro ampere

Text Solution

Verified by Experts

The correct Answer is:
4
`(theta)/(i)=(NAB)/( C)`
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