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A triangular loop of side l carries a cu...

A triangular loop of side `l` carries a current `I`. It is placed in a magnetic field `B` such that the plane of the loop is in the direction of `B`. The torque on the loop is

A

zero because `vecF` acts parallel to `vecv.`

B

Ibl

C

`sqrt(3)/2 1l^(2)B^(2)`

D

`sqrt(3)/4 IB l^(2)`

Text Solution

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The correct Answer is:
D
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