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In this video I will explain what is 3 phase circuit. Using a typical household circuit that powers most homes, I will first explain that is a single phase circuit 3 line system which will provide power to devises that require 110V (hair dryers, toasters, TVs,...) and 220V (electric stoves, electric dryers,...). We will have to voltage supplies connected in series at the same phase (hence the single phase circuit) where the maximum and minimum will be in phase there for supplying 220V.

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Next video in this series can be seen at:
https://youtu.be/bYrs6ezKs48