Description : The device which converts sound energy into electrical energy is called (1) Amplifier (2) Speaker (3) Microphone (4) Transmitter
Description : A dynamo is a device which (1) creates mechanical energy (2) creates electrical energy (3) converts mechanical energy into electrical energy (4) converts electrical energy into mechanical energy
Description : Briefly explain how an electrical generator converts mechanical energy into electrical energy.
Description : What converts electrical energy into heat energy?
Description : A photo-electric cell converts (1) mechanical energy to electric energy (2) heat energy to mechanical energy (3) light energy to chemical energy (4) light energy to electrical energy