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10.3 Electrical energy and power

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Question 40
H

A 4.0 Ω resistor and an 8.0 Ω resistor are connected in series across a 12 V supply. How much energy is transferred to the 8.0 Ω resistor in 30 s?

[1]
A

540 J540\ \mathrm{J}540 J

B

360 J360\ \mathrm{J}360 J

C

120 J120\ \mathrm{J}120 J

D

240 J240\ \mathrm{J}240 J

Markscheme

10.3 Electrical energy and power Questions

  1. GCSE
  2. /Physics
  3. /10.3 Electrical energy and power

105 exam-style questions on Edexcel GCSE Physics 10.3 Electrical energy and power, covering 10.3.1 The heating effect of an electric current, 10.3.2 Reducing energy transfer in wires, 10.3.3 Advantages and disadvantages of the heating effect, 10.3.4 Energy transferred by an electrical circuit, 10.3.5 Electrical power, and 10.3.6 Energy transfers in domestic devices. Each one has a worked solution and a mark scheme showing where the marks go.

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