Difference between revisions of "Kirchoff's voltage law"

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-'''Kirchoff's voltage law''' ('''KVL''') states that that the change in potential difference (in other words, the ''[[voltage]] drops'') in any closed electrical loop 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 is derived from the fact that the voltage at any point in the circuit must have a defined value. For example, say you start at point A and travel around the loop adding up voltages along the way. If the voltage drops did not sum to zero then when you returned to point A it would have a different voltage than when you started, which is impossible.<ref name="Schwarz" />
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-==References==
-<references />
-[[Category:Electrical Engineering]]

Revision as of 21:26, April 16, 2008