Question

A magnetic needle is kept in a non-uniform magnetic field. It experiences:

• A. A force only but not a torque
• B. A force and torque both
• C. A torque only but not a force
• D. Neither a torque nor a force

Answer 1

The correct option is B A force and torque both

In a non uniform magnetic field magnetic needle experiences a torque and force both. Torque experienced both in uniform and non uniform magnetic field. While Force is zero in uniform magnetic field.