Changes

'''Kirchoff's voltage law''' ('''KVL''') states that that the change in potential difference (in other words, the ''[[Electric potential|voltage drops]]'') in any closed electrical circuit must sum to 0.<ref name="Schwarz">Schwarz, Stephen E. and William G. Oldham. ''Electrical Engineering: An Introduction, 2e.'' Oxford University Press: 1993.</ref> A voltage drop is the change in voltage over any element in a [[circuit]].

'''Kirchoff's voltage law''' ('''KVL''') states that that the change in potential difference (in other words, the ''[[Electric potential|voltage drops]]'') in any closed electrical circuit must sum to 0.<ref name="Schwarz">Schwarz, Stephen E. and William G. Oldham. ''Electrical Engineering: An Introduction, 2e.'' Oxford University Press: 1993.</ref> A voltage drop is the change in voltage over any element in a [[circuit]].

KVL follows from the definition of electric potential and c[[onservation of energy]].<ref name="Schwarz" />

KVL follows from the definition of electric potential and [[conservation of energy]].<ref name="Schwarz" />

* See also:  [[Kirchoff's current law]]

* See also:  [[Kirchoff's current law]]