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The following hysteresis cycle represents the adiabatic loading and unloading of a sample in the elastic region, without thermal equilibrium. Which region of the curve is associated with constant temperature?

The following hysteresis cycle represents the adiabatic loading and unloading of a sample in the elastic region, without thermal equilibrium. Which region of the curve is associated with constant temperature? Correct Answer A & C

The loading and unloading of the sample are sudden, so there is no temperature associated; hence, both the linear slope A & C represents the constant temperature.

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