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Standard XII
Physics
NCERT
Mutual Induction
Question

A circular coil placed in a uniform magnetic field. If alternating current flows through this coil then

A
Net force will act on coil
B
Coil will be stationary
C
Coil will be rotated
D
None of the above
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Solution
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Given: Current carrying circular coil in a uniform magnetic field
Solution : When a current carrying circular coil is placed in a uniform magnetic field then torque acting on the coil will not be zero which leads to rotation of coil.
Hence the correct option is C

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