CAIE IGCSE Physics 1.7.4.1 Power As Work Done Per Unit Time or Questions

Practise calculating power as the rate of energy transfer using P = E/t and related mechanical and electrical quantities with CAIE IGCSE Physics questions and mark schemes.

Exam points

Calculate power as the rate of energy transfer using P = E/t and related mechanical and electrical quantities.

[Maximum number: 1]

Four electric motors do the same quantity of work when they lift a weight of 10 N through the same distance.

The times taken by each motor to lift the weight are shown.
What is the time taken by the motor which produces the most power?

1.5 s

6.0 s

15 s

60 s

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CAIE IGCSE Physics 1.7.4.1 Power As Work Done Per Unit Time or Questions question 1