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An AC voltage source supplies a 500Hz, 10V rms signal to a 2kΩ resistor in series with a 0.1µF capacitor as shown in the following figure. Find the total impedance.(a) 3750.6Ω(b) 3760.6Ω(c) 3780.6Ω(d) 3790.6ΩThe question was asked by my college director while I was bunking the class.The above asked question is from Series Circuits in chapter Complex Impedence of Network Theory

Answer»

The correct choice is (b) 3760.6Ω

The BEST I can explain: The capacitive reactance XC = 1/2πfC = 1/(6.28×500×0.1×10^-6))=3184.7Ω. In rectangular form, X = (2000-j3184.7)Ω. Magnitude = 3760.6Ω.



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