RC Circuits What is the angular difference between +j4 and –j4? 90° 30° 270° 180° 90° 30° 270° 180° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the voltage applied to a series RC circuit is decreased, the impedance remains the same increases decreases doubles remains the same increases decreases doubles 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? 73.4 and θ = –19.5° 707 and θ = –19.5° 734 and θ = –38.9° 2121 and θ = –19.5° 73.4 and θ = –19.5° 707 and θ = –19.5° 734 and θ = –38.9° 2121 and θ = –19.5° 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 2.12 mS + j3.14 mS 212 3.14 mS + j2.12 mS 318.3 2.12 mS + j3.14 mS 212 3.14 mS + j2.12 mS 318.3 ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A positive angle of 30° is equivalent to a negative angle of –330° –30° –60° –180° –330° –30° –60° –180° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the voltage applied to a series RC circuit is increased, the phase angle decreases remains the same becomes erratic increases decreases remains the same becomes erratic increases ANSWER DOWNLOAD EXAMIANS APP