The expression for the torque acting on a coil having area of cross-section A, number of turns n, placed in a magnetic field of strength B, making an angle \[\theta \] with the normal to the plane of the coil, when a current i is flowing in it, will be [MP PET 1996]

• A.            \[ni\,AB\tan \theta \]      
• B.            \[ni\,AB\cos \theta \]
• C.            \[ni\,AB\sin \theta \]       
• D.            \[ni\,AB\]