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 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 460 mA 9.2 mA 92 mA 4.6 mA 460 mA 9.2 mA 92 mA 4.6 mA ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the angular difference between +j4 and –j4? 180° 90° 30° 270° 180° 90° 30° 270° 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° 73.4 and θ = –19.5° 2121 and θ = –19.5° 734 and θ = –38.9° 707 and θ = –19.5° 73.4 and θ = –19.5° 2121 and θ = –19.5° 734 and θ = –38.9° 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 A 470 resistor and a 0.2 F capacitor are in parallel across a 2.5 kHz ac source. The admittance, Y, in rectangular form, is 212 3.14 mS + j2.12 mS 318.3 2.12 mS + j3.14 mS 212 3.14 mS + j2.12 mS 318.3 2.12 mS + j3.14 mS ANSWER DOWNLOAD EXAMIANS APP
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