Magnetism Quiz

What is the effect of placing a piece of iron inside a coil of wire through which current is passing?

Which of the following statements is true about the poles of a magnet?

• Like poles attract each other.

• Unlike poles do not interact.

• Like poles repel each other.

• A magnet has only one pole.

In which direction does the compass needle point when placed near a magnet?

• Towards the south pole of the magnet.

• Towards the north pole of the magnet.

• It does not move.

• It points vertically upwards.

The magnetic field lines around a bar magnet:

• Run from the south pole to the north pole outside the magnet.

• Run from the north pole to the south pole outside the magnet.

• Are only inside the magnet.

• Do not exist.

What is the term for the ends of a magnet where the magnetic force is strongest?

• Equator

• Poles

• Axis

• Core

Which of the following is a temporary magnet?

• A bar of iron that is not magnetized.

• A bar of iron that is magnetized.

• A permanent magnet.

• A piece of copper.

What is the area around a magnet within which magnetic force is exerted called?

• Electric field

• Magnetic field

• Gravitational field

• Radiation zone

If you break a bar magnet in half, each half will:

• Lose its magnetic property.

• Have only one pole.

• Become a non-magnetic material.

• Have both a north and a south pole.

What happens to the magnetic field lines when two magnets are brought close to each other with their north poles facing each other?

• The lines bend away from each other.

• The lines intersect.

• The lines become straighter.

• The lines disappear.

Which of the following materials is not attracted to a magnet?

• Iron

• Nickel

• Cobalt

• Wood