Question

What is the energy transformation in a moving coil microphone?

• A. Sound energy to Electrical energy
• B. Heat energy to Sound energy
• C. Sound energy to Light energy
• D. Electrical energy to Sound energy

Answer 1

Answer: (A)

Sound energy to Electrical energy

In a moving coil microphone, the sound energy is converted into electrical energy. The sound strikes the diaphragm and makes it move. The coil attached with the diaphragm also moves in the magnetic field producing electrical signals by electromagnetic induction.