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8.3 Power and efficiency

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Question 35
F

A heater transfers energy at a rate of 0.80 kW for 2.5 minutes2.5\ \mathrm{minutes}2.5 minutes. What is the total energy transferred?

[1]
A

2000 kJ2000\ \mathrm{kJ}2000 kJ

B

32 kJ32\ \mathrm{kJ}32 kJ

C

2.0 kJ2.0\ \mathrm{kJ}2.0 kJ

D

120 kJ120\ \mathrm{kJ}120 kJ

Markscheme

8.3 Power and efficiency Questions

  1. GCSE
  2. /Physics
  3. /8.3 Power and efficiency

128 exam-style questions on Edexcel GCSE Physics 8.3 Power and efficiency, covering 8.3.1 Power and 8.3.2 Efficiency. Each one has a worked solution and a mark scheme showing where the marks go.

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