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1.7.1a Energy stores and energy transfers

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Question 101

During energy transfers in everyday devices, some of the input energy is always dissipated. What does it mean when we say energy is "dissipated"?

A

It is completely destroyed and no longer exists.

B

It is converted entirely back into the original useful form of energy.

C

It spreads out into the surroundings and becomes less useful.

D

It increases the total amount of energy in the system.

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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