Question

when temp of sources and sink of heat engine become equal change in entropy will be? and how?​

Answer 1

Answer:

HEY MATE !!!!!!!

Explanation:

A cyclical process where the source and sink maintain the same temperature is called isothermal.

Such a process is an idealization because some temperature difference is always needed to drive the flow of heat between source/sink and system.

In this idealization, there is no loss of ability of this system to perform work as heat flows,

The cyclical process is "reversible"...100% efficient...entropy at the end is the same as entropy at the beginning (but, this system cannot be perfectly achieved in reality).

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