O-LevelPhysicsMagnetism5054/12 · Oct/Nov 2014 · Q331 Mark
A student moves a magnet into a coil of wire as shown in the diagram. The coil of wire is connected to a sensitive ammeter.. Which change does not produce an increase in the reading?
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.
Aincreasing the number of turns on the coil
Bincreasing the resistance of the ammeter
Cincreasing the speed of the magnet
Dincreasing the strength of the magnet
✓ Correct answer
B: increasing the resistance of the ammeter
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