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Electrical safety

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Question 49

An electric motor is connected to a mains supply. It normally draws a current of 6 A, but this current briefly rises to 8 A when the motor is switched on. The power cable supplying the motor is designed to safely carry currents up to 12 A.

The fuses available to protect the cable are rated at:

  • 3 A
  • 5 A
  • 10 A
  • 13 A

Which fuse is the most suitable to protect the cable?

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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