PS Unit 6 Review

Front

What do generators convert?

Back

Generators convert mechanical energy into electrical energy.

Front

What is a property of an electromagnet?

Back

Its strength can be changed.

Front

Is Aluminium Foil a magnetic material?

Back

False

Front

What is the main difference between an electromagnet and a permanent magnet?

Back

An electromagnet can be turned on and off, while a permanent magnet cannot.

Front

What materials are considered magnetic?

Back

Iron, Nickel, and Cobalt are all magnetic materials.

Front

What is an electromagnet?

Back

An electromagnet is a type of magnet in which the magnetic field is produced by an electric current.

Front

Can the strength of an electromagnet be controlled?

Back

Yes, the strength of an electromagnet can be controlled by changing the amount of electric current.

Front

What happens when the electric current is turned off in an electromagnet?

Back

The electromagnet loses its magnetism.

Front

What are permanent magnets?

Back

Permanent magnets are materials that maintain a persistent magnetic field without the need for an external power source.

Front

What is the role of electric current in electromagnets?

Back

Electric current creates a magnetic field around the wire.