A magnetic dipole of magnetic moment of M is placed in a magnetic field of intensity B with its axis along the magnetic field. The work done in rotating it by 180 degree is

Options :
  1. -MB
  2. +MB
  3. zero
  4. +2MB
Answer and Explanation :-

Answer: Option 4


Sorry there is no explanation for this answer. Please help others by posting your response below

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : A bar magnet of magnetic moment M is placed in a uniform magnetic field of intensity B at an angle o...

Next Question : A bar magnet is placed in north-south direction. If its north pole is directed towards north, the po...

Click here for online test on Magnetism


 (Getemail alerts when others member replies)

More questions and answers on Indian History :-

Compromise is a sign you'll pass on your way to mediocrity.
-Tim Fargo