RC Circuits A 120Ω resistor is in parallel with a capacitor with a capacitive reactance of 40 Ω. Both components are across a 12 V ac source. What is the magnitude of the total impedance? 37.9Ω 4800Ω 14400Ω 3.7Ω 37.9Ω 4800Ω 14400Ω 3.7Ω 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? 734 and θ = –38.9° 2121 and θ = –19.5° 707 and θ = –19.5° 73.4 and θ = –19.5° 734 and θ = –38.9° 2121 and θ = –19.5° 707 and θ = –19.5° 73.4 and θ = –19.5° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In the complex plane, the number 4 + j3 is located in the fourth quadrant third quadrant first quadrant second quadrant fourth quadrant third quadrant first quadrant second quadrant 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 18 kHz 12 kHz 6 kHz 0 Hz 18 kHz 12 kHz 6 kHz 0 Hz 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 = 5XC R > XC R < XC R = XC R = 5XC R > XC R < XC R = XC 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 282 mA 200 mA 141 mA 100 mA 282 mA 200 mA 141 mA 100 mA ANSWER DOWNLOAD EXAMIANS APP
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