Noncontact Forces (Magnetism) Unit Test Review

Front

What is electromagnetic induction?

Back

The process of generating electric current from a changing magnetic field.

Front

What does a magnetic field represent?

Back

The area around a magnet where magnetic forces can be detected.

Front

What type of charges produce a magnetic field?

Back

Moving electric charges.

Front

Are all metals attracted to magnets?

Back

No, only certain metals like iron, nickel, and cobalt are attracted to magnets.

Front

What is the function of an electric generator?

Back

To convert mechanical energy into electrical energy using magnetism.

Front

What is a magnet?

Back

An object that produces a magnetic field and can attract or repel certain materials.

Front

What are the two poles of a magnet called?

Back

North Pole and South Pole.

Front

What happens when like poles of magnets are brought together?

Back

They repel each other.

Front

What happens when opposite poles of magnets are brought together?

Back

They attract each other.

Front

What is the role of an electric motor?

Back

To convert electrical energy into mechanical energy.