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WorksheetsiGCSE Magnetism
Total questions: 11
Worksheet time: 6mins
Which of these is not a magnetic material?
aluminium
steel
nickel
iron
Which of the above diagrams shows the magnetic field lines around the north pole of a magnet?
A
B
C
D
Some magnets are easily magnetised when placed in a magnetic field, and then quickly lose their magnetism once the field is removed. These materials are used in electromagnets, and are called...
soft magnetic materials
hard magnetic materials
temporary magnets
partial magnets
Which diagram shows the poles of the magnets?
A
B
C
D
An electromagnet with a soft iron core is connected to a battery and an open switch. The soft iron core is just above some small soft iron nails.
A
B
C
D
The diagram shows a flat, rectangular coil placed between the poles of a magnet. THere is a current in the coil that makes it turn in the direction shown in the diagram. Which change would make the coil turn in the opposite direction?
decreasing the current in the coil
increasing the number of turns of the coil
reversing both the direction of the current in the coil and the poles of the magnet
reversing only the direction of the current in the coil
A student wishes to make a permanent magnet. She has an iron rod and a steel rod. Which rod should she use to make the permanent magnet, and is this rod a hard magnetic material or a soft magnetic material?
A
B
C
D
What do the lines around this magnet represent?
North Pole
South Pole
Magnetic Declination
Magnetic Field
Anti-clockwise
An electromagnet is used to separate magnetic metals from non-magnetic metals.
Why is steel not suitable as the core of the electromagnet?
It forms a permanent magnet
It has a high density
It has a high thermal capacity
It is a good conductor of electricity
A
B
C
D
