Meaning & use
voltmeter
An instrument used to measure the voltage, or electrical potential difference, between two points in a circuit.
See it in a sentence
The technician connected a voltmeter to check whether the battery still held a charge.
Students used a voltmeter in the lab to measure the voltage across the resistor.
A note on using this word
A voltmeter is connected in parallel with a circuit component, unlike an ammeter, which is connected in series.
Words with a similar meaning
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