The electrostatic force acting on two charges each of 1C
separated by 1m is about:
To protect the gold leaves of electroscope from the external
electric disturbances, the aluminum foil is grounded by a thin wire, which is
made up of:
If a neutral body is brought near to the electroscope its
leaves:
Capacitors that are used in resonant circuits that tune
radios to particular frequencies, such circuits are called:
