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For a give perimeter in plane, following...

For a give perimeter in plane, following are some shpaes mentioned. Choose the shape for the loop such that which when placed inside magnetic field will have maximum torque acting on it.

A

Square

B

Rectangle

C

Circle

D

Sphere

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The correct Answer is:
C
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TARGET PUBLICATION-MAGNETIC EFFECT OF ELECTRIC CURRENT -Critical Thinking Introduction
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