RC Circuits In a series RC circuit, when the frequency and the resistance are halved, the impedance cannot be determined without values doubles is halved is reduced to one-fourth cannot be determined without values doubles is halved is reduced to one-fourth ANSWER DOWNLOAD EXAMIANS APP
RC Circuits An ac circuit consists of a resistor and a capacitor. To increase the phase angle above 45°, the following condition must exist: R = XC R = 5XC R < XC R > XC R = XC R = 5XC R < XC R > XC ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 47Ω resistor and a capacitor with 150Ω of capacitive reactance are in series across an ac source. The impedance, expressed in rectangular form, is Z = 47Ω + j150Ω Z = 103Ω Z = 47Ω – j150Ω Z = 197Ω Z = 47Ω + j150Ω Z = 103Ω Z = 47Ω – j150Ω Z = 197Ω 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? 73Ω 167Ω 12.9Ω 129Ω 73Ω 167Ω 12.9Ω 129Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In the complex plane, the number 4 + j3 is located in the second quadrant fourth quadrant first quadrant third quadrant second quadrant fourth quadrant first quadrant third quadrant ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A resistor and a capacitor are in series across a 20 V ac source. Circuit impedance is 4.33 k. Current flow in the circuit is 4.6 mA 9.2 mA 92 mA 460 mA 4.6 mA 9.2 mA 92 mA 460 mA ANSWER DOWNLOAD EXAMIANS APP
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