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8.3 Power and efficiency

Card 1 of 21

Power is the [     ].

A

Power is the rate at which energy is transferred.

B

An efficiency of 0.350.350.35 is 35%\boxed{35\%}35%​.

C

0.800.800.80 or 80%80\%80%

D

It is a ratio of energies in the same unit.

Card 1 of 21

8.3 Power and efficiency Flashcards

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

21 flashcards on Edexcel GCSE Physics 8.3 Power and efficiency: the key terms, definitions and equations you need to recall for Paper 1 and Paper 2.

Flashcards