Pick out the parts of a moving coil microphone from the options
A microphone is a device that converts sound waves into an electrical signal. Permanent magnet, diaphragm and voice coil are parts of moving coil microphone(refer the given diagram). It works on the basis of electromagnetic induction by converting sound vibrations into electrical signals. Microphones are used in many applications such as telephones, tape recorders, hearing aids and in radio and television broadcasting.