refrigerator works between 4^°C and 30^°C. It is required to remove 600 calories of heat every second in order to keep the temperature of the refrigerated space constant. The power required is [Take 1 cal = 4.2 joules)

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Q. A refrigerator works between

4^{0} C

and

30^{0} C

. It is required to remove

600

calories of heat every second in order to keep the temperature of the refrigerated space constant. The power required is:
(Take

1 c a l = 4.2 J o u l e s

)

A refrigerator works between 4 C and 30 C. It is required to remove 600 of calories heat every second in order to keep temperature of the refrigerated space constant. The power required is (take 1 cal.=4.2 joule)

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Q. An ideal refrigerator is working between temperature

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and

127^{0} C

.If it expells 120 calorie of heat in one second then calculate its wattage.

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