Electricity and Magnetism Flashcard #2

Front

What is magnetism?

Back

The ability of an object to push or pull on another object.

Front

What is it called when an object is lifted by means of magnetic forces?

Back

Magnetic levitation.

Front

How can an electromagnet be made stronger?

Back

Add more coils of wire to the nail.

Front

How do magnets in a generator produce electricity?

Back

Moving magnets around a coil of wire produces electrical current in the wire.

Front

Why does a compass needle always point north?

Back

Due to the Earth's magnetic field.

Front

What is an electromagnet?

Back

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

Front

What is the role of a battery in an electromagnet?

Back

It provides the electric current needed to create the magnetic field.

Front

What is magnetic suspension?

Back

A method of using magnetic forces to lift an object off the ground.

Front

What happens when you reverse the poles of a magnet?

Back

The direction of the magnetic field changes.

Front

What is the relationship between electricity and magnetism?

Back

Electricity can create magnetic fields, and moving magnets can generate electricity.