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CAIE A-Level Physics AS 5.1.5 Power As Work Done Per Unit Time Questions

Apply the relationship between power, work done and time to solve energy-transfer problems.

Syllabus
2028–2030
Course
Physics 9702
Level
AS

Exam points

  • Apply the relationship between power, work done and time to solve energy-transfer problems.

CAIE A-Level Physics AS 5.1.5 Power As Work Done Per Unit Time Questions question 1

[Maximum number: 1]

Which expression could be used to calculate power?

A

( current )2 resistance \frac{(\text { current })^{2}}{\text { resistance }}

B

 force × displacement  time \frac{\text { force × displacement }}{\text { time }}

C

current × (resistance) 2{ }^{2}

D

 weight  time \frac{\text { weight }}{\text { time }}

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