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1.7 Energy, work and power

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Question 41
a.

Describe a renewable process by which electrical energy is obtained from the kinetic energy of moving air (wind).

[4]
b.

Explain why the process described in (a) can be regarded as renewable.

[2]
c.

Explain whether the Sun is the source of the kinetic energy of the wind in (a).

[2]
Markscheme

1.7 Energy, work and power Questions

  1. IGCSE
  2. /Physics
  3. /1.7 Energy, work and power

533 exam-style questions on CIE IGCSE Physics 1.7 Energy, work and power, covering 1.7.1a Energy stores and energy transfers, 1.7.1b Conservation of energy, 1.7.1c Kinetic and gravitational potential energy, 1.7.2 Work done, 1.7.3 Energy resources, 1.7.3a Energy resources and electricity generation, 1.7.3b Nuclear fusion as an energy source, 1.7.3c Efficiency of energy transfer, and 1.7.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.

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