Question

The values of coefficient of performance (B) & efficiency (n) of refrigerator are

a) β <1, 11=2

c) β > 1, -1.5

b) β >1, n<1

d) β <1, n>1​

Answer 1

Answer:

(8) Solve the following sums.

(i) Calculate the pressure exerted by a force of 12 N when applied over an area of 4 m².

Explanation:

(8) Solve the following sums.

• (i) Calculate the pressure exerted by a force of 12 N when applied over an area of 4 m².

Answer 2

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