Named for a physicist, it's the amount of work done when 1 amp passes through 1 ohm of resistance for 1 second
... Recall that part of the work done by electricity when it passes through a wire it 
to... [DOC] [TLE] Lessons In Electric Circuits -- Volume I (DC) - Chapter 2 - Ibiblio [PAR] How voltage, current, and resistance relate; An analogy for Ohm's Law; Power in 
... equal to 1 coulomb of electrons passing by a given point in a circuit in 1 
second of time.