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3.2 Dissipation and efficiency

Card 1 of 21

Why is dissipated energy difficult to use again?

A

150 J150\ \text{J}150 J

B

For a fixed input, dissipated energy is Edissipated=Etotal−Euseful\boxed{E_{\text{dissipated}}=E_{\text{total}}-E_{\text{useful}}}Edissipated​=Etotal​−Euseful​​.

C

It is spread among many particles in the surroundings.

D

0.750.750.75 or 75%75\%75%

Card 1 of 21

3.2 Dissipation and efficiency Flashcards

  1. GCSE
  2. /Physics
  3. /3.2 Dissipation and efficiency

21 flashcards on Edexcel GCSE Physics 3.2 Dissipation and efficiency: the key terms, definitions and equations you need to recall for Paper 1 and Paper 2.

Flashcards