How does a generator produce an electric current

Agas contained within a piston-cylinder assembly undergoes three processes in series: process 12: compression with pv= constant from 1 bar and 1 liter to 4 bar. process 23: constant pressure expansion to 1 liter. process 31: constant volume calculate the pressure and volume at each state, and sketch the processes on a p-vdiagram labeled with pressure and volume values at each numbered stat

If you put a helium-filled balloon in the refrigerator, what will happen?

Amaterial that provides resistance to the flow of electric current is called a(an) (1 points)