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A coil in the shape of an equilateral tr...

A coil in the shape of an equilateral triangle of side l is suspended between the pole pieces of a permanent magnet such that `vecB ` is in place of the coil. If due to a current i in the triangle a torque `tau` acts on it, the side l of the triangle is-

A

`2/(sqrt3)(tau/(Bi))`

B

`2(tau/(sqrt3Bi))^(1//2)`

C

`2/(sqrt3)(tau/(Bi))^(1//2)`

D

`1/(sqrt3)(tau)/(Bi)`

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-MOVING CHARGES AND MAGNETISM-EXERCISE-II
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