VOM (Volt-Ohm-Milli-Ammeter)
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VOM (Volt-Ohm-Milli-Ammeter)

The three measuring devices combined in a single unit.


Voltmeter working principle and types

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Voltmeter working principle and types Empty Voltmeter working principle and types

Tue Aug 07, 2018 1:30 pm
Voltmeters

Voltmeter is a voltage meter. Which measures the voltage between the two nodes. We know the unit of potential difference is volts. So it is a measuring instrument which measures the potential difference between the two points.

Voltmeter working principle and types Ss204010
Figure 1 shows a DC analog voltmeter

In order for a voltmeter to measure a device’s voltage, it must be connected in parallel to that device. This is necessary because objects in parallel experience the same potential difference.
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