Many years ago (ca 1962) I built a ramp generator to show the saturation of disk caps. Having lost same marbles I searched to verify and discovered, not only is my memory correct, but also they exhibit hysteresis, duh... Ferromagnetics and ferroelectrics, same boat, no?
Have any of you created a demo. for this?
bc … has a board W/a double coils solenoid, many switches W/resistors and thumbscrews to connect DC supply and Galvo. to measure hysteresis of inserted ferromagnetic rods. He used one back at UCSB, ca 1957.