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Energy resources and energy transfers

Energy resources and energy transfers

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Question 7
a.

Wind turbines are used to generate electricity.

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

[1]
c.

A municipal wind turbine operates with an efficiency of 34%34\%34%. State one form of energy that is wasted by the wind turbine.

[1]
d.

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
[2]
Markscheme

Energy resources and energy transfers Questions

  1. IGCSE
  2. /Physics
  3. /Energy resources and energy transfers

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