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4.2.5 Electrical energy and electrical power

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Question 17

There is a current of 3.0 A in a resistor of resistance 5.0 Ω.

How much power is dissipated in the resistor?

A

1.8 W1.8\text{ W}1.8 W

B

15.0 W15.0\text{ W}15.0 W

C

45.0 W45.0\text{ W}45.0 W

D

75.0 W75.0\text{ W}75.0 W

Markscheme

4.2.5 Electrical energy and electrical power Questions

  1. IGCSE
  2. /Physics
  3. /4.2.5 Electrical energy and electrical power

69 exam-style questions on CIE IGCSE Physics 4.2.5 Electrical energy and electrical power. Each one has a worked solution and a mark scheme showing where the marks go.

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