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[Phys-L] Hysteresis



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.