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10.4 Mains electricity

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Question 23
F

Heater P operates at 1200 W for 5.0 min. Heater Q operates at 600 W for 12 min.

Which heater receives more electrical energy, and by how much?

[1]
A

Heater P, by 72 kJ72\ \mathrm{kJ}72 kJ.

B

Heater P, by 600 kJ600\ \mathrm{kJ}600 kJ.

C

Heater Q, by 600 kJ600\ \mathrm{kJ}600 kJ.

D

Heater Q, by 72 kJ72\ \mathrm{kJ}72 kJ.

Markscheme

10.4 Mains electricity Questions

  1. GCSE
  2. /Physics
  3. /10.4 Mains electricity

81 exam-style questions on Edexcel GCSE Physics 10.4 Mains electricity, covering 10.4.1 Direct and alternating current, 10.4.2 Live, neutral and earth wires; safety, 10.4.3 Mains wire potential differences and dangers, and 10.4.4 Power ratings and energy use. Each one has a worked solution and a mark scheme showing where the marks go.

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