Question

What is Voltmeter?
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Answer 1

Answer:

A voltmeter, also known as a voltage meter, is an instrument used for measuring the potential difference, or voltage, between two points in an electrical or electronic circuit. Some voltmeters are intended for use in direct current (DC) circuits; others are designed for alternating current (AC) circuits...

Answer 2

Answer:

A voltmeter measures how much voltage is passing between two points. It does this by measuring the difference between the positive input of voltage and the negative input of voltage. A voltmeter is usually used to check the power in electrical circuits. ... Display, where you'll see the results of the measurement...