Question

If the co-efficient of performance of a refrigerator is 5 and operates at the room temperature 27°C, the temperature inside the refrigerator is

• A. 240 K
• B. 250 K
• C. 230 K
• D. 260 K

Answer 1

Answer: (B)

250 K

Answer 2

Here, coefficient of performance $( \beta ) = 5$

$\mathrm { T } _ { 1 } = 27 ^ { \circ } \mathrm { C }$

$= 300 \mathrm {~K}$

As

Or or