11 mark
Higher Tier Only
A wire is placed between the poles of a magnet, perpendicular to the magnetic field lines.
Which direction will the wire move when a current flows?
Down
Left
Right
Up
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Uses of Magnetism (OCR GCSE Combined Science A (Gateway): Physics)
Exam Questions
23 mins9 questions21 mark
Higher Tier Only
A student measures the magnetic flux density around a current-carrying conductor at increasing distances from the conductor.
She plots her results.
The current in the conductor is decreased and a new graph plotted.
Which is the correct graph?
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31 mark
Higher Tier Only
The diagram shows two poles of a magnet.
X is the position of a wire carrying a current perpendicularly into the paper.
Which direction does the wire move?
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41 mark
Higher Tier Only
A 0.5 m length of wire is placed inside four different magnetic fields.
Magnetic Field | Force on wire (N) | Current in wire (A) |
A | 2.0 | 0.1 |
B | 2.0 | 0.2 |
C | 4.0 | 0.1 |
D | 4.0 | 0.4 |
Which magnetic field has the greatest magnetic flux density?
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51 mark
Higher Tier Only
A wire is placed inside a horseshoe magnet.
Which direction will the wire move when the switch is closed?
Downwards
Left
Right
Upwards
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