Question

Within the alarm clock seen here, energy is transformed. It is time to get up!
The alarm clock goes off. What are the energy transformations taking place in your alarm clock?

Responses
A electrical to magnetic to soundelectrical to magnetic to sound
B electrical to mechanical to soundelectrical to mechanical to sound
C electrical to mechanical to lightelectrical to mechanical to light
D chemical to electrical to mechanical

Answer 1

B

Electrical energy from the clock (battery or mains) is converted into mechanical motion (motor or electromagnet driving a hammer or speaker cone), and that mechanical motion produces sound waves. Some energy is also lost as heat.