Electrostatics ...

A particle of mass 1 kg and charge 1/3μC is projected towards a non conducting fixed spherical shell having the same charge uniformly distributed on its surface. The minimum initial velocity V₀ of projection of particle required if the particle just grazes the shell is

A uniform electric field 100 V/ m is directed vertically downwards. Find the change in potential energy of an electron whose height decreases by 0.5 m.

Negative mutual potential energy corresponds to attraction between two charges

The amount of work done in moving a charge from one point to another along an equipotential line or surface charge is

In bringing an electron towards another electron, the electrostatic potential energy of the system

The potential energy of a system containing only one point charge is

A proton is accelerated from rest through a potential of 500 volts. Its final kinetic energy is

The electrostatic potential energy between two charges q1 and q2 separated by a distance by r is given by

What is the electrostatic potential energy of a system containing two charges 40 nC and 60 nC at a distance of 36 cm?