2 a capacitor and resistor are connected in parallel to a 120v,60 Hz line the resistor ha esistance of 40 ohms and the capacitor has a capacitance of 132.6 uf. what is the tota Flow impedance and the power factor in the circuit zt=17.88 it=6.71 Cos 0.0447 23 an ac circuit has a frequency of 400 hz. A 16 ohm resistor, 0.0119 inductor and a 16.6 capacitor are connected in series. what is the total impedance of the circuit? 33,917 ohms 24 if the circuit above in question 23 has 440 v, how much current will flow? 25 how much voltage would be dropped and how much current will flow acoss the resistor, inductor and capacitor in the above circuit 26 what is the power factor of the above circuit

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Power Measurement

According to Blondel's theorem, the total power is measured with one less number of wattmeters than the number of wires present in the system. So, a single-phase and two-wire system will require one wattmeter and a single-phase and the three-wire system will require two wattmeters, and a three-phase and the three-wire system will also require two wattmeters and a three-phase and the four-wire system will require three wattmeter devices. The wattmeter is a device that measures power using one voltage and one current input as shown in the above figure. Multiple current or voltage input pair cables are used by many power analyzers and digital storage oscilloscopes (DSOs) for measuring watts, in effect within a single instrument acting as multiple wattmeters. It is possible to measure three-phase and four-wire power with one correctly specified power analyzer.