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 = 5XC R > XC R < XC R = XC R = 5XC R > XC R < XC R = XC 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 A 6 kHz sinusoidal voltage is applied to a series RC circuit. The frequency of the voltage across the resistor is 12 kHz 0 Hz 18 kHz 6 kHz 12 kHz 0 Hz 18 kHz 6 kHz 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 275 W 19.52 W 195.2 W 25 W 275 W 19.52 W 195.2 W 25 W ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 2 kΩ resistor and a 0.002 μF capacitor are in series across an ac source. Current in the circuit is 6.50 mA. The true power is 130 mW 13 mW 845 mW 84.5 mW 130 mW 13 mW 845 mW 84.5 mW 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 = 47Ω + j150Ω Z = 103Ω Z = 197Ω Z = 47Ω – j150Ω Z = 47Ω + j150Ω Z = 103Ω Z = 197Ω ANSWER DOWNLOAD EXAMIANS APP
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