RC Circuits In the complex plane, the number 4 + j3 is located in the first quadrant third quadrant second quadrant fourth quadrant first quadrant third quadrant second quadrant fourth quadrant 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? 12.9Ω 129Ω 73Ω 167Ω 12.9Ω 129Ω 73Ω 167Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 47Ω resistor and a capacitor with 150Ω of capacitive reactance are in series across an ac source. The impedance, expressed in rectangular form, is Z = 47Ω – j150Ω Z = 197Ω Z = 47Ω + j150Ω Z = 103Ω Z = 47Ω – j150Ω Z = 197Ω Z = 47Ω + j150Ω Z = 103Ω 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° 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° 707 and θ = –19.5° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 120Ω resistor is in parallel with a capacitor with a capacitive reactance of 40 Ω. Both components are across a 12 V ac source. What is the magnitude of the total impedance? 3.7Ω 14400Ω 4800Ω 37.9Ω 3.7Ω 14400Ω 4800Ω 37.9Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the angular difference between +j4 and –j4? 270° 30° 90° 180° 270° 30° 90° 180° ANSWER DOWNLOAD EXAMIANS APP