Electricity and Magnetism Test Review

Front

Transfer of electrons between two conductors due to two objects sliding against each other.

Back

Friction

Front

When an object gains electrons, what is its charge?

Back

Negative

Front

A material where electrical charges can move easily is a....

Back

Conductor

Front

How can a simple electromagnet be made stronger?

Back

Add more coils of wire to the nail.

Front

Why is a compass needle attracted to the northern part of Earth?

Back

It is being attracted to the Magnetic South Pole.

Front

What is the unit of electric current?

Back

Ampere (A)

Front

What is the flow of electric charge called?

Back

Electric current

Front

What is the difference between a conductor and an insulator?

Back

A conductor allows electric charges to flow easily, while an insulator does not.

Front

What is static electricity?

Back

Static electricity is the buildup of electric charge on the surface of objects.

Front

What happens to the magnetic field when the current in a wire is increased?

Back

The magnetic field becomes stronger.