A potentiometer is a variable resistor used to resist electrical current.
Think of a potentiometer as a water valve, only for electricity, most of the same principals exist. For instance if you crack a valve open and get the desired flow, and the water pressure increases or the valve gets [...]
I decided it would be easier to explain AC and DC current if the user already knew how to use and oscilloscope. Explaining how to use an oscilloscope is easy if the user already knows what DC and AC current is. I think the video worked out as a fast paced tutorial for both subjects.
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