Magnetism and Waves Quiz

What is a magnetic field?

• A region where electric forces act

• A region in which magnetic forces are experienced

• A region with no forces

• A region where light is bent

Where are the poles of a magnet located?

• In the middle of the magnet

• At the opposite ends of any magnetic material

• Only at the north end

• Only at the south end

What happens when a north pole is brought near a south pole?

• Repulsion

• Attraction

• No effect

• The poles disappear

What happens when two north poles are brought close together?

• Attraction

• Repulsion

• No effect

• They become unmagnetised

Which of the following is a magnetic material?

• Plastic

• Wood

• Iron

• Glass

What is an induced magnet?

• A permanent magnet

• An unmagnetised material that becomes temporarily magnetised due to an external magnetic field

• A non-magnetic material

• A material that repels magnets

Which of the following will not be attracted to any pole of a magnet?

• Iron

• Steel

• Plastic

• Nickel

What is the direction of the magnetic field at a point?

• The direction of the force on the south pole of a magnet

• The direction of the force on the north pole of a magnet at that point

• The direction of the electric current

• The direction of gravity

Which of the following is an example of a permanent magnet?

• Soft iron

• Steel

• Paperclip

• Plastic

What happens to an electromagnet when no current flows through the wire?

• It remains magnetised

• It becomes unmagnetised

• It becomes a permanent magnet

• It attracts non-magnetic materials