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10.4 Mains electricity

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Question 14

A data logger transfers energy at a rate of 3.0 W while it is in standby. It transfers 0.012 kWh of energy during this time.

Calculate the time the data logger is in standby.

[1]
A

4000 h4000\ \mathrm{h}4000 h

B

4.0 h4.0\ \mathrm{h}4.0 h

C

0.004 h0.004\ \mathrm{h}0.004 h

D

0.25 h0.25\ \mathrm{h}0.25 h

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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