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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?
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4.2 Uses of Magnetism
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4.2 Uses of Magnetism
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
Choose your answer
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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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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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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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