Environmental Sciences, asked by salwagkq7670, 5 months ago

Is used for determining the power consumption of motors and other devices

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Answered by rashmimishra28feb

A wattmeter is an instrument that uses voltage and current to determine power in watts. ... Most industrial motors use three-phase three-wire circuits that are measured using two wattmeters. In the same fashion, three wattmeters would be necessary for a three-phase four-wire circuit, with the fourth wire being the neutral.

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