O-LevelPhysicsMagnetism5054/11 · May/June 2017 · Q391 Mark
A student uses a transformer to light a filament lamp using a 230V a.c. supply. The lamp has a maximum voltage rating of 6.0 V. What happens when the circuit is switched on?
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 lamp does not light at all.
BThe lamp lights dimly.
CThe lamp lights at normal brightness.
DThe lamp lights up brightly and then goes out.
✓ Correct answer
D: The lamp lights up brightly and then goes out.
Practise more questions on this topic
Oracle Prep sorts past-paper questions by topic, so you can drill Magnetism and see which topics are most likely to come up next.
Sign up free →