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: An '''IV graph''' can be used to identify the characteristics of an unknown [[Electrical Component|electrical component]]. This may be useful when inventing new [[Electrical Component|components]].
: The [[Electrical Resistance|resistance]] of an [[Electrical Component|component]] can change with the [[Electrical Current|current]] or the [[Potential Difference|potential difference]].
: The [[Electrical Resistance|resistance]] of a [[Electrical Component|component]] can be found by taking the [[ratio]] of [[Potential Difference|potential difference]] to [[Electrical Current|current]] at a point on the curveof an '''IV graph'''.
===Examples===