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Vôn kế
Sign in to savethumb|Demonstration analog voltmeter
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.
In the Vinony graph
Vinony's link graph records 345 inbound references to Vôn kế, and connects out to series and parallel circuits, measurement and resistor.
It is catalogued under topics including Electrical meters, Electronic test equipment and Measuring instruments.
Vinony links it to 67 Wikipedia language editions.
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- CH Capdella, 3 voltímetres.jpg
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- Voltmeters
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- Category:Voltmeters
- measures
- voltage
- different from
- voltameter
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