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7.1 Work done

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Question 12
F

A kettle has a power of 2000 W. It is switched on for 2 minutes.

Use the equation: energy transferred=power×time\text{energy transferred} = \text{power} \times \text{time}energy transferred=power×time

How much energy is transferred by the kettle?

[1]
A

1000 J1000\ \text{J}1000 J

B

4000 J4000\ \text{J}4000 J

C

120 000 J120\,000\ \text{J}120000 J

D

240 000 J240\,000\ \text{J}240000 J

Markscheme

7.1 Work done Questions

  1. GCSE
  2. /Physics
  3. /7.1 Work done

44 exam-style questions on OCR GCSE Physics 7.1 Work done, covering 7.1.1 Conservation of energy in a closed system, 7.1.2 Energy stores and transfers, 7.1.3 Energy changes by heating, forces and current, 7.1.4 Quantifying energy transfers in a system, and 7.1.5 Kinetic, elastic and gravitational potential energy. Each one has a worked solution and a mark scheme showing where the marks go.

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