Magnets and Electromagnetism Quiz

What are the two types of magnets?

• Permanent and temporary

• North and south

• Positive and negative

• Electric and magnetic

Which of the following is NOT a property of magnetic poles?

• Like poles repel each other

• Opposite poles attract each other

• Magnetic poles can exist in isolation

• Magnetic poles always come in pairs

What is the shape of the magnetic field around a bar magnet?

• Circular

• Straight lines

• Spiral

• Elliptical

What is electromagnetic induction?

• The process of creating a magnetic field with electricity

• The process of creating electricity with a magnetic field

• The attraction between electric charges

• The repulsion between magnetic poles

What happens to a charged particle when it moves through a magnetic field?

• It speeds up

• It slows down

• It experiences a force

• Nothing happens

Which of the following materials is NOT attracted to magnets?

• Iron

• Nickel

• Cobalt

• Copper

What is the principle behind an electromagnet?

• Passing an electric current through a wire wrapped around an iron core

• Heating a piece of iron

• Cooling a piece of nickel

• Applying a strong magnetic field to a piece of copper

How can the strength of an electromagnet be increased?

• By decreasing the current

• By using a weaker magnetic material

• By increasing the number of coils

• By using a larger battery

What is the right-hand rule used for in electromagnetism?

• To determine the direction of the magnetic field around a current-carrying wire

• To find the north pole of a magnet

• To measure the strength of a magnetic field

• To calculate the speed of a charged particle

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

• It moves in a straight line

• It moves in a circular path

• It experiences a force

• It remains stationary