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1.7.4 Power

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Question 20

An electric water pump transfers 450 kJ of useful energy in 2.5 minutes2.5\text{ minutes}2.5 minutes. What is the average useful power output of the pump?

A

3.0 kW3.0\text{ kW}3.0 kW

B

180 kW180\text{ kW}180 kW

C

1125 kW1125\text{ kW}1125 kW

D

67 500 kW67\,500\text{ kW}67500 kW

Markscheme

1.7.4 Power Questions

  1. IGCSE
  2. /Physics
  3. /1.7.4 Power

95 exam-style questions on CIE IGCSE Physics 1.7.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.

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