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WorksheetsYear 12 GCSE Electromagnetism
Total questions: 20
Worksheet time: 10mins
Which material will not be attracted to a magnet?
Copper
Iron
Nickel
Is magnetism a contact or non-contact force?
Non-contact force
Contact force
Neither
What do opposite poles do?
Attract
Repel
Push Apart
What do like poles do?
Repel
Attract
Push towards
What word best describes bar magnets?
Permanent
Electromagnets
Temporary
Where is the strongest magnetic field around a bar magnet?
At the poles
Above & below
In the middle
What is the name given to the attraction of unmagnetised iron to a magnet?
Induced
Demagnetisation
Permanent
What is another term for substances that can only be temporarily magnetised?
Soft
Weak
Strong
Specifically in which direction do the lines point in a field diagram?
South to North
North to South
Pole to Pole
The North Pole of a magnet is attracted to
The Earth's geographic South Pole
The Earth's geographic North Pole
The Earth's Blackpool Tower
What do field line patterns show?
The direction and shape of a magnetic field
The shape of a magnetic field only
The direction of a magnetic field only
Which of these makes an electromagnet stronger?
Adding an Iron core
Adding a Copper core
Adding a Lead core
What controls a relay?
An electromagnet
A compass
A magnet
What advantage does an electromagnet have over a magnet?
It can be switched on and off
It is stronger
It is easier to change shape
What field is produced around the wire, when a current flows through a conducting wire?
Magnetic field
Electric field
Gravitational field
What is a solenoid?
A current-carrying wire shaped into a coil
A current-carrying wire
A current-carrying wire which heats up
What effect does shaping a current carrying wire into a solenoid have on the strength of the induced magnetic field?
Increases the strength of the magnetic field
Decreases the strength of the magnetic field
Keeps the strength the same
What name is given to a solenoid with an iron core?
Electromagnet
Magnet
Compass
How can the strength of the electromagnet be increased?
Increase number of coils
Decrease number of coils
Keep number of coils the same
How else can the strength of the electromagnet be increased?
Increase the resistance
Increase size of current
Decrease the length
