In a radio _______energy transforms into _____ energy.
electrical
sound
A microphone converts :
(a) electric energy into sound energy in ordinary telephone
(b) microwave energy into sound energy in a mobile phone
(c) sound energy into mechanical energy in a stereo system
(d) sound energy into electrical energy in public address system
Explain the transformation of energy changes taken place in a radio.
Name the energy transformation taking place in the following device: a radio