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This video introduces the formulae for power in an electric circuit, P=IxE, P=I^R, and P=E^/R. It also explains how P=I^R and P=E^/R are algebraically derived from P=IxE and Ohm’s Law.

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Page edited by E.C. (Google).

3 Comments


  1. vigneshwaran
    Apr 24, 2013

    sir, its really good..and i need Transformer Design work book and basic electrical work book also..


  2. SANJEEV SHARMA
    Oct 03, 2012

    pls tell me power factor improvment formullas-: one induction motor 45 kw 415 volt ,3 phase, p.f is .80 now what can i improve p.f .80 to .90 . how many capacitor add in motor cerket .

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