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Module 3. Electrical fundamentals
The dots on the transformer symbol shown are called, and indicate

•  phasing dots, point that have the opposite polarity at the same moment in time.
•  phasing dots, point that have the same polarity at the same moment in time.
•  quadrature dots, points are 90o out of phase.

ChantalDimmer asking:
•  Please write your question here.

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