15.2 Electricity and Magnetism

Front

What is electricity that flows in a closed path called?

Back

Circuit

Front

What is a complete, unbroken path that charges can flow through?

Back

Electric circuit

Front

What is resistance?

Back

The measure of how difficult it is for current to flow.

Front

What materials are good conductors of electricity?

Back

Metals such as copper and aluminum.

Front

What is the role of an insulator?

Back

An insulator prevents the flow of electricity.

Front

What is an electric current?

Back

The flow of electric charge through a conductor.

Front

What is a conductor?

Back

A material that allows electricity to flow through it easily.

Front

What is the purpose of the plastic around a wire?

Back

It acts as an insulator.

Front

What happens to current in a circuit with high resistance?

Back

The current decreases.

Front

What is static electricity?

Back

A buildup of electric charge on the surface of objects.