Question

described with a neat diagram of voltmeter​

Answer 1

Explanation:

A voltmeter is an instrument used for measuring electrical potential difference between two points in an electric circuit. Analog voltmeters move a pointer across a scale in proportion to the voltage of the circuit; digital voltmeters give a numerical display of voltage by use of an analog to digital converter

Answer 2

Answer:

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A voltmeter is an instrument used for measuring electrical potential difference between two points in an electric circuit. Analog voltmeters move a pointer across a scale in proportion to the voltage of the circuit; digital voltmeters give a numerical display of voltage by use of an analog to digital converter.A voltmeter is basically a galvanometer with a high series resistance also known as shunt resistors. The voltmeter is connected in parallel to the circuit to measure the voltage.Voltmeter works on the principle of Ohm's law, which states that the voltage across a resistance is directly proportional to the current passing through it. In order to implement it in real time, we form the construction of a galvanometer, such that a coil is suspended in a magnetic field.

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