Electricity and Magnetism Study Guide

Front

What happens to the other light in a parallel circuit if one light is removed?

Back

The other light would stay lit, and not change.

Front

What material can keep electrical current moving if a wire is cut?

Back

A copper penny.

Front

Why do insulation materials reduce heat loss?

Back

They are poor conductors.

Front

What happens to the brightness of lights in a circuit if another light is added in series?

Back

They would all remain lit, but would be dimmer.

Front

Which of the following is an example of an insulator?

Back

Drinking glass.

Front

Define electricity.

Back

Electricity is the flow of electric charge, typically through a conductor.

Front

What is a conductor?

Back

A material that allows electric current to flow through it easily.

Front

What is an insulator?

Back

A material that resists the flow of electric current.

Front

What is a circuit?

Back

A closed loop that allows electricity to flow from a power source to a device and back.

Front

What is the role of a light bulb in a circuit?

Back

To convert electrical energy into light energy.