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Physics · May / June 2026 · Paper 11 · Question 13

5054Efficiency

A microwave oven has an efficiency of 60%. The useful power output of the microwave oven is 800 W. What is the total power input to the microwave oven?

  1. A13 W
  2. B75 W
  3. C1300 W
  4. D48 000 W

As printed in the paper

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Correct answer: C. 1300 W

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