When a person speaks in front of a microphone, the sound energy changes into :
Loud sound energy
Magnetic energy
Chemical energy
Electric energy
When we speak in front of a microphone, the sound energy changes into electric energy.
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
When we sing in front of a mic or microphone, chemical energy gets converted to electrical energy.