Q. In which of the following situations, the magnetic field can accelerate a charge particle at rest?
I. When the magnetic field is uniform with respect to time as well as position
II. When the magnetic field is time varying but uniform w.r.t. position
III. When the magnetic field is time independent but position dependent

 3091  212 Moving Charges and Magnetism Report Error

Solution:

When magnetic field is time varying, an induced electric field is produced which can accelerate charge.