RC Circuits In a series RC circuit, when the frequency and the resistance are halved, the impedance is reduced to one-fourth doubles is halved cannot be determined without values is reduced to one-fourth doubles is halved cannot be determined without values ANSWER DOWNLOAD EXAMIANS APP
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? 129Ω 73Ω 12.9Ω 167Ω 129Ω 73Ω 12.9Ω 167Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A positive angle of 30° is equivalent to a negative angle of –30° –180° –330° –60° –30° –180° –330° –60° 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? 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° 734 and θ = –38.9° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits The complex number 40 angle 55° is equivalent to 45.88 + j65.52 40 + j40 22.94 + j32.76 55 + j55 45.88 + j65.52 40 + j40 22.94 + j32.76 55 + j55 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 9.2 mA 92 mA 4.6 mA 460 mA 9.2 mA 92 mA 4.6 mA 460 mA ANSWER DOWNLOAD EXAMIANS APP