Skip to content

Course home

Sign up

8.3 Power and efficiency

EasyMediumHard
123456789101112131415161718192021222324
Question 12
F

A motor has an efficiency of 0.65. What percentage of the energy supplied is transferred usefully?

[1]
A

0.65%0.65\%0.65%

B

35%35\%35%

C

100%100\%100%

D

65%65\%65%

Markscheme

8.3 Power and efficiency Questions

  1. GCSE
  2. /Physics
  3. /8.3 Power and efficiency

128 exam-style questions on Edexcel GCSE Physics 8.3 Power and efficiency, covering 8.3.1 Power and 8.3.2 Efficiency. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank