A magnetic needle is kept in a non-uniform magnetic field. It experiences
A magnetic needle is kept in a non-uniform magnetic field. It experiences
(1) a torque but not a force
(2) neither a force nor a torque
(3) a force and a torque.
(4) a force but not a torque.
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The correct answer is (3)
In non-uniform magnetic field, dipole experiences both force and torque.
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