Voltmeter (noun)

A measuring instrument used to determine the potential difference, or voltage, between two points in an electrical circuit.

Origin:

Derived from the unit of electric potential, the volt, and the greek word 'metron' meaning measure.

Examples:

  1. A voltmeter was used to check the battery voltage of the car.
  2. The electrician connected the voltmeter to the circuit to determine the voltage drop.
  3. The multimeter in his toolkit had a voltmeter function which he used to test the wall outlet.
  4. She checked the output of the solar panels using a digital voltmeter.
  5. He attached the voltmeter probes to the terminals of the capacitor to measure its voltage.
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