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1.7.1a Energy stores and energy transfers

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Question 109

A hydroelectric turbine is 24% efficient and has an output of 1.8 MW1.8\text{ MW}1.8 MW of electrical power.

What is the power input to the turbine?

A

0.43 MW0.43\text{ MW}0.43 MW

B

7.5 MW7.5\text{ MW}7.5 MW

C

4.3 MW4.3\text{ MW}4.3 MW

D

75 MW75\text{ MW}75 MW

Markscheme

1.7.1a Energy stores and energy transfers Questions

  1. IGCSE
  2. /Physics
  3. /1.7.1a Energy stores and energy transfers

229 exam-style questions on CIE IGCSE Physics 1.7.1a Energy stores and energy transfers. Each one has a worked solution and a mark scheme showing where the marks go.

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