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Which of the following quantities of heat is taken out of the refrigerator per second, assuming its efficiency is 50% of a perfect engine, when a 1 kW electric motor is used to transfer heat from -3°C to 27°C?

Options

  1. A9.5 kJ
  2. B19 kJ
  3. C38 kJ
  4. D76 kJ

Correct answer

B. 19 kJ

Step-by-step solution

Correct Option is : (B) 19 kJ

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