when the bodies have same temperature and in thermal contact
when they have different temperatures maintaining distance between them
when bodies should be in contact and should have different temperatures
A
when they have different temperatures maintaining distance between them
B
when the bodies have same temperature and in thermal contact
C
when the bodies are apart from each other
D
when bodies should be in contact and should have different temperatures
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Solution
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Conduction is only possible when the bodies in contact have a temperature difference; heat flows from the body with higher temperature to that of lower temperature, till the bodies are in thermal equilibrium.
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