Ohm's Law

[Brian Carling]

On 12 May 2002 at 11:27, Brian Goldsmith wrote:

> "V" is the initial of another early experimenter in the field,
> Alexandre Volta, as also no doubt everyone knows.

However, you will often see "e" used for voltage - short for e.m.f. = Electro-motive
Force.

Some folks will use "V" as a designator for emf, but it is more correctly used as
the abbreviation for "volt" the UNIT of
electro-motive force.

The lower case letters refer to instantaneous and the capital letters refer to DC in
most cases.
E, e
I, i
etc.

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