Investigation 3 Electromagnetic Force

Front

What is the relationship between electricity and magnetism?

Back

The relationship between electricity and magnetism is called electromagnetism.

Front

What happens when you cut a magnet in half?

Back

There will be two magnets, each with a north and south pole.

Front

What is an insulator?

Back

An insulator is a material that does not allow electricity to flow through it easily. An example is rubber.

Front

What happens to the lifting ability of a wire as it gets thinner?

Back

The thinner the wire, the fewer nails it can lift.

Front

What do opposite poles of a magnet do?

Back

Opposite poles attract each other.

Front

What is an example of a conductor?

Back

An example of a conductor is copper wire.

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

What is the purpose of a solenoid?

Back

A solenoid is a coil of wire that generates a magnetic field when an electric current passes through it.

Front

What is the effect of increasing the current in a wire on its magnetic field?

Back

Increasing the current in a wire strengthens its magnetic field.

Front

What is the role of a transformer?

Back

A transformer is a device that changes the voltage of an alternating current (AC) in a circuit.