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A refrigerator has to transfer an averag...

A refrigerator has to transfer an average of 263J of heat per second from temperature `-10^@C` to `25^@C`. Calculate the average power consumed, assuming no enegy losses in the process.

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The correct Answer is:
35 W
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SL ARORA-THERMODYNAMICS-Problems for self practice
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  2. A refrigerator whose coefficient of performance eta' is 4, extracts he...

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  3. A refrigerator has to transfer an average of 263J of heat per second f...

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  4. A refrigerator freezes 5 kg of water at 0^(@)C into ice at 0^(@)C in a...

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  8. Calculate the difference in temperature between two sides of an iron p...

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  9. The length, a rod of aluminium is 1.0 m and its area of cross-section ...

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  10. A flat-bottom kettle placed on a stove is being used to boil water and...

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  11. An iron boiler is 10 mm thick and has a heating area 2m^(2). The two s...

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  12. One end of a 0.25 m long metal bar is in steam and the other is in con...

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  13. A layer of ice 0.15 m thick has formed on the surface of a deep pond. ...

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  14. Water is boiled in a rectangular steel tank of thickness 2 cm by a con...

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  15. Estimate the rate at which ice would melt in a wooden box 20 mm thick ...

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  17. The outer face of a rectangular slab of equal thickness of iron and br...

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  19. A composite wall of area A is made of equal thickness of lead and iron...

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  20. A wall consists of two layer, one of thickness 3 cm and other of 6 cm....

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