The coefficient of performance of a Carnot refrigerator working between 30⁰C and 0⁰C is

The coefficient of performance of a Carnot refrigerator working between 30⁰C and 0⁰C is

Options

(a) 10
(b) 1
(c) 9
(d) zero

Correct Answer:

9

Explanation:

Coefficient of performance = K
.·. K = T₂ / (T₁-T₂) = 273 / (303-273) = 273 / 30 = 9.

admin:

Related Questions

  1. Photoelectric current from a given photocell will depend upon
  2. A coil of self-inductance L is connected in series with a bulb B and an AC source
  3. According to Hook’s law, force is proportional to
  4. An engine pumps water through a hose pipe. Water passes through the pipe
  5. In a P-N junction