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1.7.4 Power

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Question 21

The following statements describe what happens when the power of a machine is decreased:

  1. The work done in a given time decreases.
  2. The work done in a given time increases.
  3. The time taken to do a given quantity of work decreases.
  4. The time taken to do a given quantity of work increases.

Which statements are correct?

A

1 and 3

B

1 and 4

C

2 and 3

D

2 and 4

Markscheme

1.7.4 Power Questions

  1. IGCSE
  2. /Physics
  3. /1.7.4 Power

95 exam-style questions on CIE IGCSE Physics 1.7.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.

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