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10.4 Mains electricity

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Question 2

At a sports centre, a swimming-pool pump rated at 1.5 kW runs for 40 min. A ticket-desk lamp rated at 60 W is on for 6.0 h.

How much greater is the energy transferred by the pump than the energy transferred by the lamp?

[1]
A

0.36 kWh0.36\ \mathrm{kWh}0.36 kWh

B

1.36 kWh1.36\ \mathrm{kWh}1.36 kWh

C

1.00 kWh1.00\ \mathrm{kWh}1.00 kWh

D

0.64 kWh0.64\ \mathrm{kWh}0.64 kWh

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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