O-LevelPhysicsMagnetism5054/12 · May/June 2018 · Q341 Mark
The diagram shows an alarm system. What happens when battery P is disconnected?
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 iron armature falls and the bell rings.
BThe iron armature falls and the bell stops ringing.
CThe iron armature moves up and the bell rings.
DThe iron armature moves up and the bell stops ringing.
✓ Correct answer
A: The iron armature falls and the bell rings.
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