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Question: Answered & Verified by Expert
A rectangular coil carrying-current is placed in a non-uniform magnetic field. On that coil, the total
PhysicsMagnetic Effects of CurrentWBJEEWBJEE 2016
Options:
  • A force is non-zero
  • B force is zero
  • C torque is zero
  • D torque is non-zero
Solution:
1868 Upvotes Verified Answer
The correct answers are: force is non-zero, torque is non-zero
Current-carrying rectangular coil is placed in a non-uniform magnetic field. So, the force on each arm of the coil will different giving the resultant force as non-zero.
Thus, option (a) is correct.
Also, the torque acting on current-carrying coil in non-uniform magnetic field will be non-zero.
Thus, option (d) is also correct.
following reason.

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