O-LevelPhysicsMagnetism5054/11 · May/June 2021 · Q351 Mark
In an alternating current (a.c.) generator, a magnet rotates near a coil of wire. The induced electromotive force (e.m.f.) in the coil is displayed on an oscilloscope screen. Which trace is produced as the magnet slows down?
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.
ADiagram A
BDiagram B
CDiagram C
DDiagram D
✓ Correct answer
D: Diagram D
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