Work done in carrying 2 C charge in a circular path of radius 2 m around a charge of 10 C is
Zero
6.67J
15 J
60J
work done in moving a charge along a closed path is zero.
Two small spheres each carrying a charge q are placed r metre apart. If one of the spheres is taken around the other one in a circular path of radius r, the work done will be equal to
A particle of mass m and carrying charge -q1 is moving around a charge:+q2 along a circular path of radius r.find period of revolution of charge