Magnetic Fields Review

Front

What is a magnetic field?

Back

A magnetic field is a region around a magnet where magnetic forces can be detected. It is represented by field lines that show the direction and strength of the magnetic force.

Front

What happens when two magnets with like poles face each other?

Back

They repel each other.

Front

What happens when two magnets with opposite poles face each other?

Back

They attract each other.

Front

Can magnets exert forces on each other without touching?

Back

Yes, magnets can interact and exert forces on each other without direct contact.

Front

What are the two types of magnetic poles?

Back

North pole and South pole.

Front

What is the rule for magnetic poles?

Back

Like poles repel each other, while opposite poles attract each other.

Front

What materials are attracted to magnets?

Back

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

Front

What is the purpose of iron filings in studying magnetic fields?

Back

Iron filings are used to visualize magnetic field lines around magnets.

Front

What is a permanent magnet?

Back

A permanent magnet is a magnet that maintains its magnetic properties 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.