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Y11 Magnetism

Last updated 3 months ago

15 questions

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Question 15

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What does a magnetic field line represent?

Strength of the magnetic field

Direction of the magnetic field

Both strength and direction of the magnetic field

None of the above

A magnet attracts all types of metals.

True

False

The North Pole of a magnet will attract...

North Pole of another magnet

Comforters

Magnets only

South Pole of other magnet

Which substances can be magnetized?

Iron

Copper

Nickel

Aluminum

Magnets can attract and repel.

True

False

What device uses a magnet to show direction?

Compass

Odometer

Barometer

Thermometer

What factors can weaken a magnet?

Heating

Hammering

Electric current

Freezing

The Earth is a giant magnet.

True

False

Temporary magnets are also known as...

Electromagnets

Paramagnetic materials

Diamagnetic materials

Ferromagnetic materials

What benefits do magnetic fields have in healthcare?

MRI scans

Pacemakers

Intensive Care Units

Physiotherapy

What type of magnet retains its magnetism once it has been magnetized?

Permanent magnet

Temporary magnet

Both

Neither

Magnetic fields pass through non-magnetic materials.

True

False

What can an electric current produce in a wire?

Magnetic field

Heat

Sound

Light

What is the rule that describes the relationship between electric current and magnetic field?

Ohm’s Law

Coulomb's Law

Ampère's Law

Right-hand Rule

A magnet can be demagnetized by another strong magnet.

True

False