Magnets and Electromagnets

Front

What is a magnet?

Back

A magnet is an object that produces a magnetic field, attracting certain materials like iron, nickel, and cobalt.

Front

What is an electromagnet?

Back

An electromagnet is a temporary magnet created by electric current flowing through a coil of wire.

Front

What is the main function of a generator?

Back

A generator converts mechanical energy into electrical energy.

Front

What is the role of a turbine in a generator?

Back

A turbine provides the mechanical force needed to spin the generator.

Front

What is an electric motor?

Back

An electric motor is a device that converts electrical energy into mechanical energy.

Front

What is direct current (DC)?

Back

Direct current is an electric current that flows in one direction only.

Front

What is alternating current (AC)?

Back

Alternating current is an electric current that reverses direction periodically.

Front

What materials are typically attracted to magnets?

Back

Materials like iron, nickel, and cobalt are typically attracted to magnets.

Front

How can you create a temporary magnet?

Back

You can create a temporary magnet by running an electric current through a coil of wire.

Front

What happens when you break a magnet in half?

Back

When you break a magnet in half, each half becomes a new magnet with its own north and south poles.