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1.7.1a Energy stores and energy transfers

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Question 6

A solar panel is used to recharge a battery. The solar panel produces 1.8 W of electrical power. The panel is 15% efficient.

What is the power input of the sunlight onto the solar panel?

A

0.27 W0.27\text{ W}0.27 W

B

1.2 W1.2\text{ W}1.2 W

C

12 W12\text{ W}12 W

D

120 W120\text{ W}120 W

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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