what is called a process of constant heat
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isothermal
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adiabatic
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isobar
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none of above
B
Correct answer
Explanation
An adiabatic process is one in which no heat is exchanged between a system and its surroundings (Q=0). An isothermal process occurs at constant temperature, and an isobaric process occurs at constant pressure. The question phrasing 'process of constant heat' refers to the lack of heat transfer.