Skip to main content
O-LevelPhysicsElectricity5054/11 · May/June 2012 · Q321 Mark

What causes the fuse to blow in a mains electrical circuit?

Aperson touches the live wire
Bperson touches the neutral wire
Cthe live wire touches the earth wire
Dthe neutral wire touches the earth wire

✓ Correct answer

C: the live wire touches the earth wire

Practise more questions on this topic

Oracle Prep sorts past-paper questions by topic, so you can drill Electricity and see which topics are most likely to come up next.

Sign up free →

About this question

Topic
Electricity, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source
O-Level Physics, May/June 2012 Paper 1 Variant 1, question 32.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

Related Physics questions

© 2026 Oracle Prep