Properties of Magnets, Electricity, & Electromagnets

Front

What is created around a wire when electricity flows through it?

Back

A magnetic field.

Front

Which materials are considered magnetic?

Back

Cobalt, Iron, and Nickel.

Front

What happens to the magnetic force as the distance from the magnetic field increases?

Back

The magnetic force becomes weaker.

Front

What do opposite magnetic poles (north & south) do to each other?

Back

They attract.

Front

How can you make an electromagnet stronger?

Back

By wrapping the wire around the iron core more times.

Front

What is a magnet?

Back

An object that produces a magnetic field and can attract or repel other magnets.

Front

What are the two types of magnetic poles?

Back

North and South poles.

Front

What happens when like poles of magnets are brought together?

Back

They repel each other.

Front

What is an electromagnet?

Back

A type of magnet that is created by electric current.

Front

What is the role of the iron core in an electromagnet?

Back

It enhances the magnetic field created by the electric current.