The filaments in a toaster acts like a resistor and changes some of the electrical energy into __?__.

What does electric current change into after it passes through an LED?

Which machine does NOT use an electromagnet?

In a hearing aid, electrical energy is changed into __?__.

An electric motor changes electrical energy into __?__ in order to make the car move.

The source of electricity for an electric car is a __?__.

to send out energy in waves or rays

a device that converts electrical energy into light

a path along which electric current flows

a tiny unit of light energy

waves of energy created by vibration

a device that converts sound waves into electric current

a device that converts electric current into sound waves

a magnet created by electricity flowing through a wire coiled around an iron core

a device that changes electrical energy into mechanical energy

the energy of motion

a force that attracts or pushes away other magnets

the flow of electricty

something that limits the flow of electric current

part of a circuit that starts or stops the flow of electric current

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