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Electrical safety

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Question 111

An electrical appliance is powered from a mains supply.

The appliance normally uses a current of 6 A, but the current briefly rises to 8 A at the instant the appliance is switched on. The cable to the appliance is designed for currents up to 12 A.

A fuse is used to protect the circuit.

What should be the rating of the fuse?

A

3 A3\text{ A}3 A

B

5 A5\text{ A}5 A

C

10 A10\text{ A}10 A

D

13 A13\text{ A}13 A

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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