Magnetism

Front

What happens when two north poles of magnets are brought together?

Back

They repel each other.

Front

What is the definition of magnetism?

Back

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

Front

What is an electromagnet?

Back

An electromagnet is a type of magnet that is created by an electric current.

Front

What is the effect of a magnetic field on a moving charged particle?

Back

A magnetic field exerts a force on a moving charged particle, causing it to change direction.

Front

What is a temporary magnet?

Back

A temporary magnet is a material that can become magnetized when in contact with a magnet but loses its magnetism when removed.

Front

What is the relationship between electricity and magnetism?

Back

Electricity and magnetism are interconnected; electric currents produce magnetic fields, and changing magnetic fields can induce electric currents.

Front

What is the term for the area around a magnet where magnetic forces can be detected?

Back

Magnetic field.

Front

What is the difference between a permanent magnet and a temporary magnet?

Back

A permanent magnet retains its magnetism over time, while a temporary magnet loses its magnetism when the external magnetic field is removed.

Front

What is the principle behind magnetic levitation?

Back

Magnetic levitation uses magnetic forces to lift an object off the ground, counteracting the force of gravity.

Front

What materials are typically attracted to magnets?

Back

Materials like iron, nickel, and cobalt are typically attracted to magnets.