RC Circuits A capacitor with 150Ω of capacitive reactance is across an ac source. The impedance, expressed in polar form, is Z = 150 Z = 150 angle 180° Ω Z = 150 –90° Ω Z = 150 angle – 90° Ω Z = 150 Z = 150 angle 180° Ω Z = 150 –90° Ω Z = 150 angle – 90° Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 47Ω resistor and a capacitor with a capacitive reactance of 120 are in series across an ac source. What is the circuit impedance, Z? 12.9Ω 129Ω 167Ω 73Ω 12.9Ω 129Ω 167Ω 73Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the source voltage decreases, the impedance of a parallel RC circuit increases decreases to zero decreases does not change increases decreases to zero decreases does not change ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In the complex plane, the number 4 + j3 is located in the fourth quadrant third quadrant second quadrant first quadrant fourth quadrant third quadrant second quadrant first quadrant ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 2 k resistor is in series with a 0.015 F capacitor across a 15 kHz ac source. What is the magnitude of the total impedance and the phase angle? 2121 and θ = –19.5° 734 and θ = –38.9° 73.4 and θ = –19.5° 707 and θ = –19.5° 2121 and θ = –19.5° 734 and θ = –38.9° 73.4 and θ = –19.5° 707 and θ = –19.5° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In the complex plane, the number 14 – j5 is located in the third quadrant fourth quadrant first quadrant second quadrant third quadrant fourth quadrant first quadrant second quadrant ANSWER DOWNLOAD EXAMIANS APP
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