Electrical energy into mechanical energy
Mechanical energy into electrical energy
Electrical energy into light energy
None of these
The electrical domestic tube light gives white fluorescent light because of
The electron was first identified by
The element used for making solar cells is
The element which is commonly used in nuclear for producing electricity by nuclear fission is
The energy associated with motion is called
The energy derived from the heat of Earth is called
The energy of the sun is mainly due to
The energy requirement for an industrial application is 1000 kW. hr. If heat losses account for 20%, the total energy to be supplied is
The energy stored in a watch spring is
The enormous amount of energy released in an explosion of an atomic bomb is due to the