Electromagnets

Front

What is an electromagnet?

Back

An electromagnet is a type of magnet that becomes magnetized when an electric current flows through it.

Front

What component becomes a temporary magnet when electricity is flowing through the circuit?

Back

Core.

Front

What are the ends of a magnet called?

Back

North and South poles.

Front

What is a permanent magnet?

Back

A permanent magnet is a magnet that maintains its magnetic properties without the need for an electric current.

Front

Why are paper clips attracted to magnets?

Back

They contain iron.

Front

What is the function of a compass needle?

Back

A compass needle aligns itself with the Earth's magnetic field, pointing towards magnetic north.

Front

What materials can be used to make an electromagnet?

Back

Copper wire, iron core, and a power source.

Front

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

Back

It loses its magnetism and becomes a non-magnetic object.

Front

What is the difference between a generator and a motor?

Back

A generator converts mechanical energy into electrical energy, while a motor converts electrical energy into mechanical energy.

Front

What is a magnetic field?

Back

A magnetic field is the area around a magnet where magnetic forces can be detected.