Negative Impedance

Started 14th December 2020
under construction

See also: PUT part 2

Ohms law is :

Taught this as a 14 year old I had enough to worry about remembering such a complicated equation - negative values? Well yes if I is negative so is V and that's what you get for connecting your multi-meter the wrong way around. Negative R? You must not have not set the zero-point on the meter resistance range.

But consider if R is negative:

There are two possibilities, I is negative or V is negative.

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