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 318.3 3.14 mS + j2.12 mS 212 2.12 mS + j3.14 mS 318.3 3.14 mS + j2.12 mS 212 ANSWER DOWNLOAD EXAMIANS APP
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 Point +4 on the complex plane is 4 units below the origin on the j axis 4 units left of the origin on the real axis 4 units above the origin on the j axis 4 units right of the origin on the real axis 4 units below the origin on the j axis 4 units left of the origin on the real axis 4 units above the origin on the j axis 4 units right of the origin on the real axis 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 angle – 90° Ω Z = 150 angle 180° Ω Z = 150 Z = 150 –90° Ω Z = 150 angle – 90° Ω Z = 150 angle 180° Ω Z = 150 Z = 150 –90° Ω 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 A 6 kHz sinusoidal voltage is applied to a series RC circuit. The frequency of the voltage across the resistor is 0 Hz 18 kHz 12 kHz 6 kHz 0 Hz 18 kHz 12 kHz 6 kHz ANSWER DOWNLOAD EXAMIANS APP