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8 Energy – forces doing work

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Question 33
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 Energy – forces doing work Questions

  1. GCSE
  2. /Physics
  3. /8 Energy – forces doing work

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