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A 250-turn rectangular coil of length 2....

A 250-turn rectangular coil of length 2.1 cm and width 1.25 cm carries a current of 85`muA` and subjected to a magnetic field of strength 0.85 T.Work done for ratatiing the coil by `180^(@)` against the troque fis

A

`9.1muJ`

B

`4.55muJ`

C

`2.3muJ`

D

1.5`mu`J

Text Solution

Verified by Experts

The correct Answer is:
a
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