RC Circuits A positive angle of 30° is equivalent to a negative angle of –180° –60° –330° –30° –180° –60° –330° –30° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In a parallel RC circuit, there is 100 mA through the resistive branch and 100 mA through the capacitive branch. The total rms current is 100 mA 200 mA 141 mA 282 mA 100 mA 200 mA 141 mA 282 mA 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? 707 and θ = –19.5° 2121 and θ = –19.5° 73.4 and θ = –19.5° 734 and θ = –38.9° 707 and θ = –19.5° 2121 and θ = –19.5° 73.4 and θ = –19.5° 734 and θ = –38.9° 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 = 197Ω Z = 47Ω + j150Ω Z = 103Ω Z = 47Ω – j150Ω Z = 197Ω Z = 47Ω + j150Ω Z = 103Ω 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 6 kHz 0 Hz 12 kHz 18 kHz 6 kHz 0 Hz 12 kHz 18 kHz 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 increased must be decreased is held constant has no effect must be increased must be decreased is held constant has no effect ANSWER DOWNLOAD EXAMIANS APP
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