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A vertical rectangular coil of sides 5 c...

A vertical rectangular coil of sides `5 cm xx 2 cm` has 10 turns and carries a current of `2A`. The torque ( couple) on the coil when it is placed in a uniform horizontal magnetic field of `0.1T` with its plane perpendicular to the field is

A

`4xx10^(-3)N-m`

B

Zero

C

`2xx10^(-3)N-m`

D

`10^(-3)N-m`

Text Solution

Verified by Experts

The correct Answer is:
2
`tau=BAIN cos theta`
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