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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

`5 xx 10^(4) "rad/"muA`

B

`5 xx 10^(-6)` per A

C

`2 xx 10^(-7)` per A

D

`5 "rad/"muA`

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The correct Answer is:
D
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