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Electrical safety

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Question 44

An electric current can produce a heating effect and a magnetic effect.

Which row shows the effect that a fuse uses and one application of a fuse?

A

Effect: heating effect; Application: breaking a circuit when the current exceeds a safe limit

B

Effect: heating effect; Application: increasing the voltage in an alternating current (a.c.) transmission line

C

Effect: magnetic effect; Application: breaking a circuit when the current exceeds a safe limit

D

Effect: magnetic effect; Application: allowing a low-voltage circuit to switch a high-voltage circuit

Markscheme

Electrical safety Questions

  1. IGCSE
  2. /Physics
  3. /Electrical safety

135 exam-style questions on CIE IGCSE Physics Electrical safety, covering Electrical safety. Each one has a worked solution and a mark scheme showing where the marks go.

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