RC Circuits The complex number 6 + j6 is equivalent to 8.4890° 3645° 8.4845° 645° 8.4890° 3645° 8.4845° 645° 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? 734 and θ = –38.9° 73.4 and θ = –19.5° 2121 and θ = –19.5° 707 and θ = –19.5° 734 and θ = –38.9° 73.4 and θ = –19.5° 2121 and θ = –19.5° 707 and θ = –19.5° 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 When the frequency of the source voltage decreases, the impedance of a parallel RC circuit decreases to zero decreases increases does not change decreases to zero decreases increases does not change 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 37.9Ω 14400Ω 4800Ω 3.7Ω 37.9Ω 14400Ω 4800Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the voltage applied to a series RC circuit is increased, the phase angle becomes erratic increases decreases remains the same becomes erratic increases decreases remains the same ANSWER DOWNLOAD EXAMIANS APP
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