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.

Solution

In non uniform magnetic field, dipole experiences both force and torque

Asked in: JEE Main 2005

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