Voltmètre — Wikipédia
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La revanche du calcul analogique
What purpose does a voltmeter and an ammeter serve in a circuit? - Quora
Voltmeters and Ammeters (video), Circuits
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Sea-Dog Round Digital Voltage Meter 421615-1 - Marine-Grade Voltmeter – CE Showroom
File:Circuitenderivation.svg - Wikimedia Commons
![](https://upload.wikimedia.org/wikipedia/commons/5/59/Voltmeter_symbol.png)
File:Voltmeter symbol.png - Wikimedia Commons
![](https://upload.wikimedia.org/wikipedia/commons/thumb/a/a6/Digital_Multimeter_Aka.jpg/640px-Digital_Multimeter_Aka.jpg)
Multimeter - Simple English Wikipedia, the free encyclopedia
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Volt - Wikipedia
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Multimeter - Wikipedia
File:Old Volt Meter pic3.JPG - Wikipedia
![](https://upload.wikimedia.org/wikipedia/commons/7/70/A_moving_coil_galvanometer._Wellcome_M0016397.jpg)
Galvanometer - Wikipedia
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Electrostatic voltmeter - Wikipedia
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