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===About Ammeters===
: [[Ammeter]]s are added in [[series]] to a [[circuit]] to find the [[Electrical Current|current]] flowing through the [[circuit]].
: An ideal [[ammeter]] has zero [[Electrical Resistance|resistance]] because otherwise adding an [[ammeter]] to a [[circuit]] would change the [[Electrical Current|current]].
: [[Ammeter]]s can be [[Analogue Ammeter|analogue]] with a needle pointing to numbers on a dial or it can be [[Digital Ammeter|digital]] with a number display.