In a thermodynamic cycle, the net work done is equal to:

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Question: In a thermodynamic cycle, the net work done is equal to:

Options:

Correct Answer: Net heat added to the system

Solution:

In a thermodynamic cycle, the net work done is equal to the net heat added to the system, as the internal energy change is zero.

In a thermodynamic cycle, the net work done is equal to:

In a thermodynamic cycle, the net work done is equal to:

Step 1: Understand that a thermodynamic cycle is a process where a system returns to its initial state.
Step 2: Recognize that in a complete cycle, the change in internal energy of the system is zero.
Step 3: Know that the first law of thermodynamics states that the change in internal energy is equal to the heat added to the system minus the work done by the system.
Step 4: Since the change in internal energy is zero, the heat added to the system equals the work done by the system.
Step 5: Therefore, the net work done in the cycle is equal to the net heat added to the system.

First Law of Thermodynamics – The principle that the change in internal energy of a system is equal to the heat added to the system minus the work done by the system.
Thermodynamic Cycle – A series of processes that return a system to its initial state, resulting in no net change in internal energy.
Work and Heat Relationship – In a closed cycle, the net work done is equal to the net heat added, as internal energy remains constant.