1.

A magnetised needle in a uniform magnetic field experiences a torque but no net force. An iron nail near a bar magnet, however, experiences a force of attraction in addition to a torque. Why?

Answer»

er Answer:A MAGNETISED NEEDLE in a uniform magnetic field EXPERIENCES a torque but no NET force because the forces experienced by it are equal in magnitude, opposite in direction and have different lines of action. Therefore, the net force is zero .



Discussion

No Comment Found

Related InterviewSolutions