Refrigerator A works between (-10)^@C an...

Refrigerator A works between `(-10)^@C` and `27^@C` while refrigerator B works between `-20^@C` and `17^@C`, both removing heat equal to 2000 J from the freezer. Which of the two is the better refrigerator?

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CHETANA PUBLICATION-Thermodynamics-EXERCISE

A Carnot engine whose low temperature reservoir is at 7^@C has an effi...
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A refrigerator has to transfer an average of 263 J of heat per second ...
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Refrigerator A works between (-10)^@C and 27^@C while refrigerator B w...
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For a given amount of gas at a given temperature when volume is ten fo...
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Thermal equilibrium implies the equality of
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The direction of flow of heat between two bodies is determined by
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A quantity of heat Q issupplied to a monoatomic ideal gas, which expan...
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An adiabatic process occurs at constant
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In an adiabatic expansion of a gas
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When a gas expands adiabatically
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The pressure temperature relationship for an ideal gas undergoing adia...
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A gas is compressed at a constant pressure of 50 Pa from a volume 10 m...
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Two samples A and B of a gas initially of the same temperature and pre...
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A quantity of heat Q issupplied to a monoatomic ideal gas, which expan...
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Starting with same initial conditions, an ideal gas expands from volum...
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An ideal gas A and a real gas B have their volumesincreased fromV to2V...
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For a gas undergoing an adiabatic process, the relation between temper...
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The internal energy of a gas decreases by an amount equal to the exter...
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In a cyclic process
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delta Q = delta U is true for
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