RC Circuits In a series RC circuit, when the frequency and the resistance are halved, the impedance is halved doubles is reduced to one-fourth cannot be determined without values is halved doubles is reduced to one-fourth cannot be determined without values ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In a series RC circuit, 12 V(rms) is measured across the resistor and 15 V(rms) is measured across the capacitor. The rms source voltage is 27 V 3 V 1.9 V 19.2 V 27 V 3 V 1.9 V 19.2 V ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A capacitor with 150Ω of capacitive reactance is across an ac source. The impedance, expressed in polar form, is Z = 150 –90° Ω Z = 150 angle – 90° Ω Z = 150 Z = 150 angle 180° Ω Z = 150 –90° Ω Z = 150 angle – 90° Ω Z = 150 Z = 150 angle 180° Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the angular difference between +j4 and –j4? 30° 180° 90° 270° 30° 180° 90° 270° 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? 167Ω 73Ω 12.9Ω 129Ω 167Ω 73Ω 12.9Ω 129Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits For a certain load, the true power is 150 W and the reactive power is 125 VAR. The apparent power is 25 W 19.52 W 195.2 W 275 W 25 W 19.52 W 195.2 W 275 W ANSWER DOWNLOAD EXAMIANS APP