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Energy resources and electricity generation

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Question 2
a.

Wind turbine generators are used to generate electricity.

What is the useful energy transfer in a wind turbine generator? A. thermal to kinetic B. kinetic to electrical C. electrical to kinetic D. chemical to electrical

[1]
b.

Wind turbines use a renewable energy resource to generate electricity. State two other methods of generating electricity using renewable energy resources.

[2]
c.

A commercial wind turbine operates with an efficiency of 44%44\%44%. (i) State one form of energy that is wasted by the wind turbine. (ii) For a Sankey diagram representing this wind turbine, state the percentage of the input energy that is:

  1. transferred as useful electrical energy
  2. transferred as wasted energy
[3]

Energy resources and electricity generation Questions

  1. IGCSE
  2. /Physics
  3. /Energy resources and electricity generation