
Understanding State Variables and the Carnot Cycle

Interactive Video
•
Physics, Science
•
10th Grade - University
•
Hard

Emma Peterson
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key characteristic of a state variable?
It is always zero.
It is independent of the path taken to reach a state.
It depends on the path taken to reach a state.
It changes with every cycle.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can't heat be used as a state variable?
Because it is not measurable.
Because it is always constant.
Because it depends on the path taken.
Because it is always zero.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the proposed definition of the new state variable S?
S is the work done by the system.
S is the heat added to the system divided by the temperature at which it was added.
S is the internal energy of the system.
S is the pressure of the system.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the integral in evaluating the state variable S?
It measures the pressure change.
It helps in finding the change in S during the cycle.
It determines the change in volume.
It calculates the total heat added.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What conclusion is drawn about the state variable S?
S is always zero.
S is a legitimate state variable.
S changes with every cycle.
S is not a valid state variable.
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