Physics-
General
Easy

Question

The magnetic dipole stack p with rightwards arrow on top subscript m end subscript is placed parallel to an infinitely long straight wire as shown in figure

  1. the potential energy of the dipole is minimum    
  2. the torque acting on the dipole is zero    
  3. the force acting on the dipole is zero    
  4. none of these    

The correct answer is: the force acting on the dipole is zero

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