Electromagnets

Front

Surrounding every magnet is a __________  __________.

Back

magnetic field

Front

Electric currents produce _____________

Back

magnetic fields

Front

What would happen if you took one end of the wire off the battery?

Back

The nail would no longer be a magnet

Front

What type of magnet can be turned on and off?

Back

electromagnet

Front

What are the components of the electromagnets?

Back

battery, copper wire and iron nail

Front

What is an electromagnet?

Back

A type of magnet where the magnetic field is produced by an electric current.

Front

What is the role of the battery in an electromagnet?

Back

It provides the electrical energy needed to create a magnetic field.

Front

What happens to the magnetic field when the electric current is turned off?

Back

The magnetic field disappears.

Front

What materials are typically used to make the core of an electromagnet?

Back

Iron or steel, as they enhance the magnetic field.

Front

How can you increase the strength of an electromagnet?

Back

By increasing the number of wire coils or the amount of electric current.