RC Circuits When the frequency of the voltage applied to a series RC circuit is increased, the phase angle becomes erratic remains the same increases decreases becomes erratic remains the same increases decreases ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the angular difference between +j4 and –j4? 180° 30° 90° 270° 180° 30° 90° 270° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A positive angle of 30° is equivalent to a negative angle of –330° –30° –180° –60° –330° –30° –180° –60° 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 13 mW 84.5 mW 130 mW 845 mW 13 mW 84.5 mW 130 mW 845 mW ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In a series RC circuit, when the frequency and the resistance are halved, the impedance cannot be determined without values is reduced to one-fourth doubles is halved cannot be determined without values is reduced to one-fourth doubles is halved 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° 734 and θ = –38.9° 73.4 and θ = –19.5° 707 and θ = –19.5° 2121 and θ = –19.5° 734 and θ = –38.9° 73.4 and θ = –19.5° ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS