O-LevelPhysicsMagnetism5054/11 · Oct/Nov 2023 · Q291 Mark
A magnet moves at constant speed through a coil of wire. The coil is connected to an oscilloscope. The diagram shows the trace produced on the screen. The experiment is changed and a new trace is produced. Which statement explains why the new trace is different from the original trace?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
AThe coil is longer and the other pole of the magnet enters the coil first.
BThe coil is longer and the same pole of the magnet enters the coil first.
CThe coil is shorter and the other pole of the magnet enters the coil first.
DThe coil is shorter and the same pole of the magnet enters the coil first.
✓ Correct answer
A: The coil is longer and the other pole of the magnet enters the coil first.
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