The P-V diagram for an ideal gas in a piston-cylinder assembly undergoing a thermodynamic process is shown in the figure. The process is:
adiabatic
isochoric
isobaric
isothermal
An isobaric process is a thermodynamic process in which the pressure remains constant. On a P-V (Pressure-Volume) diagram, an isobaric process is represented by a horizontal line (parallel to the volume axis). Although the figure is missing from the text, the correct process corresponding to the probable answer is isobaric.
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