Magnetism Flashcard

Front

What are the poles of a magnet?

Back

The poles of a magnet are the regions where the magnetic force is strongest. Every magnet has a north pole and a south pole.

Front

Where are the poles of the imaginary magnet mentioned in the image located?

Back

Near Earth's geographic poles.

Front

What does a motor convert electrical current into?

Back

A motor converts electrical current into mechanical force.

Front

Can electromagnets be turned on and off?

Back

Yes, electromagnets can be turned on and off.

Front

What is a coil of wire with a current called?

Back

A coil of wire with a current is called a solenoid.

Front

What happens to most materials with randomly oriented domains?

Back

They do not exhibit magnetism.

Front

What is magnetism?

Back

Magnetism is a force that can attract or repel certain materials, primarily metals like iron, nickel, and cobalt.

Front

What is a permanent magnet?

Back

A permanent magnet is a material that maintains a persistent magnetic field without the need for an external power source.

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 Earth's magnetic field?

Back

The Earth's magnetic field is the magnetic field that extends from the Earth's interior out into space, affecting compass readings.