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A P=900W electric motor with pf=0.82 lagging is connected to a 240 Vrms 60 hertz source.
a) Draw an equivalent circuit showing impedance and phasor values for Vs, R and X.
b) Find an Xc value to put in parallel with the motor which corrects the pf to 1.0.
c) Find the source current (Is) before and after (Is*) the Xc is added.
a) If the internal resistance of a voltmeter is 100x bigger than the output impedance of a circuit, what is the loading error b) If the internal resistance of an ammeter is 10x smaller than the output impedance of a circuit
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