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Calculate the torque acting upon the fol...

Calculate the torque acting upon the following structure carrying current l due to the magnetic field B. Both the magnetic field and the stucture are in the plane of paper as shown.

A

Zero

B

`(5)/(4) pi R^(2) lB`

C

`(5)/(2) pi R^(2) lB`

D

`5pi R^(2)//B`

Text Solution

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The correct Answer is:
C
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AAKASH INSTITUTE ENGLISH-MOVING CHARGES AND MAGNETISM-Assignment (Section B) Objective Type Questions (One option is correct)
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