Question:
7 A particle having charge q and mass m is released from
Last updated: 6/26/2023
7 A particle having charge q and mass m is released from rest on the axis of a fixed ring of total charge Q and radius R from a distance 3R Its kinetic energy when it reaches the centre of ring is 1 3 Qq 460R Qq 2R R 3R 2 ET Qq 86R Qq 16R