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 12.9Ω 129Ω 167Ω 73Ω 12.9Ω 129Ω 167Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In a series RC circuit, 12 V(rms) is measured across the resistor and 15 V(rms) is measured across the capacitor. The rms source voltage is 27 V 3 V 19.2 V 1.9 V 27 V 3 V 19.2 V 1.9 V 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 For a certain load, the true power is 150 W and the reactive power is 125 VAR. The apparent power is 19.52 W 25 W 195.2 W 275 W 19.52 W 25 W 195.2 W 275 W ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In the complex plane, the number 14 – j5 is located in the first quadrant fourth quadrant third quadrant second quadrant first quadrant fourth quadrant third quadrant second quadrant ANSWER DOWNLOAD EXAMIANS APP
RC Circuits The voltages in Problem 4 are measured at a certain frequency. To make the capacitor voltage greater than the resistor voltage, the frequency must be decreased is held constant must be increased has no effect must be decreased is held constant must be increased has no effect ANSWER DOWNLOAD EXAMIANS APP
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