Why the field rheostat is adjusted such that the voltmeter reads 380V



Why the field rheostat is adjusted such that the voltmeter reads 380V..

Answer / Upendra Singh

Adjusting a rheostat to obtain a specific reading on a voltmeter, such as 380V, is typically done during testing or calibration processes. The exact reason for setting it to this value would depend on the specific application and requirements.

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