O-LevelPhysicsMagnetism5054/12 · May/June 2017 · Q371 Mark
The N-pole of a magnet is moved into a solenoid and an e.m.f. is induced. What causes an increase in the induced e.m.f.?
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.
Amoving the magnet more quickly
Bmoving the magnet more slowly
Cpulling the magnet out instead of pushing it in
Dusing the S-pole of the magnet instead of the N-pole
✓ Correct answer
A: moving the magnet more quickly
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