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1.7.1a Energy stores and energy transfers

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Question 46

An electrical appliance is described as having a low efficiency.

What does this mean?

A

It cannot produce a high power output.

B

It transfers a large proportion of its input energy to wasted energy.

C

It performs its task very slowly.

D

It consumes very little total energy.

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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