Is there any work done when energy is transferred from one form to another? Explain.

Name a machine that converts electrical energy into mechanical energy.

Name the energy transfer which occur when someone speaks into a microphone.

Name the energy transfer which occur when a torch is on.

Name the appliances which work under the following energy transformation.

a. Sound energy into electrical energy.

b. Heat energy into mechanical energy.

Where does a pendulum have maximum 

a. potential energy and 

b. kinetic energy.