Difference between revisions of "Ammeter"
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==Key Stage 3== | ==Key Stage 3== | ||
===Meaning=== | ===Meaning=== | ||
| + | [[File:AnalogueAmmeter.png|right|300px|thumb|A picture showing an analogue [[ammeter]].]] | ||
An [[ammeter]] is a measuring device used to [[measure]] [[Electrical Current|electrical current]]. | An [[ammeter]] is a measuring device used to [[measure]] [[Electrical Current|electrical current]]. | ||
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: [[Ammeter]]s are added in [[series]] to a [[circuit]]. | : [[Ammeter]]s are added in [[series]] to a [[circuit]]. | ||
: An ideal [[ammeter]] has zero [[Electrical Resistance|resistance]] because otherwise adding an [[ammeter]] to a [[circuit]] would change the [[Electrical Current|current]]. | : 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. | ||
Revision as of 11:20, 24 October 2018
Key Stage 3
Meaning
A picture showing an analogue ammeter.
An ammeter is a measuring device used to measure electrical current.