File:Voltmeter_hg.jpg · Wikimedia Commons · See Wikimedia Commons
AI overview
A voltmeter is a device that measures the electrical potential difference (voltage) between two points in an electrical circuit. It's useful because knowing the voltage helps people understand how much electrical energy is available or being used in a device or system.
AI-generated from the Wikipedia summary — may contain errors.
Wikidata facts
- Image
- CH Capdella, 3 voltímetres.jpg
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- Commons category
- Voltmeters
- topic's main category
- Category:Voltmeters
- measures
- voltage
- different from
- voltameter
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