A ball of mass `1g` and charge `10^(-8) C` moves from a point `A`. Where potential
Channel: Doubtnut
Date: 19/01/2020

A ball of mass `1g` and charge `10^(-8) C` moves from a point `A`. Where potential is `600` volt to the point `B` where potential is zero. Velocity of the ball at the point `B` is `20 cm//s`. The velocity of the ball at the point `A` will be