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A rectangular coil of size 3xx3cm consis...

A rectangular coil of size `3xx3cm` consisting of 100 turns caries `0.1A`. If it produces a deflection `10^(0)`, in a field of induction `0.1T`, the couple per unit twist is

A

`9 xx 10^(-2) `Nm / degree

B

`9 xx 10^(-5) `Nm/degree

C

`9 xx 10^(-5)` Nm/rad

D

`0.9 Nm/degree

Text Solution

Verified by Experts

The correct Answer is:
B
`c theta = NiAB`
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