a fixed uniformly charged ring of radius 3m has a positive linear charge density 50/3 µC/m. a point charge 5μC is moving towards the ring along its axis such that its kinetic energy 4m away is 5J. Its kinetic energy at the centre of the ring will be?
a fixed uniformly charged ring of radius 3m has a positive linear charge density 50/3 µC/m. a point charge 5μC is moving towards the ring along its axis such that its kinetic energy 4m away is 5J. Its kinetic energy at the centre of the ring will be?











