PS 7.1 and 2 Flashcard

Front

What does the magnetic field surrounding a magnet exert?

Back

The magnetic force.

Front

How would you best describe an electromagnet?

Back

A temporary magnet.

Front

What are the regions where the magnetic force exerted by a magnet is strongest?

Back

Magnetic poles.

Front

Which device changes electrical energy into mechanical energy?

Back

Electric motor.

Front

What happens to the strength of the magnetic field when the current in the wire is increased?

Back

It increases the strength of the magnetic field.

Front

What is a permanent magnet?

Back

A magnet that maintains its magnetic properties over time.

Front

What is the role of magnetic field lines?

Back

They represent the direction and strength of the magnetic field.

Front

What is the difference between a generator and an electric motor?

Back

A generator converts mechanical energy into electrical energy, while an electric motor converts electrical energy into mechanical energy.

Front

What is an example of a temporary magnet?

Back

An electromagnet.

Front

What is the function of a transformer?

Back

To change the voltage of an electrical current.