Question

An iron needle is kept near a strong bar magnet. It will experience ______.

Options

• a force of attraction and no torque.

• a force of attraction and a torque.

• a torque and no force.

• neither a force nor a torque.

Answer 1

An iron needle is kept near a strong bar magnet. It will experience a force of attraction and a torque.

Explanation:

A magnetised needle in a homogeneous magnetic field experiences torque but no net force. When an iron nail comes into contact with a bar magnet, it experiences both torque and attraction.