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 180° Ω Z = 150 Z = 150 angle – 90° Ω Z = 150 –90° Ω Z = 150 angle 180° Ω Z = 150 Z = 150 angle – 90° Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the angular difference between +j4 and –j4? 180° 90° 30° 270° 180° 90° 30° 270° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits Point +4 on the complex plane is 4 units above the origin on the j axis 4 units below the origin on the j axis 4 units right of the origin on the real axis 4 units left of the origin on the real axis 4 units above the origin on the j axis 4 units below the origin on the j axis 4 units right of the origin on the real axis 4 units left of the origin on the real axis ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 12 kΩ resistor is in series with a 0.02 μF capacitor across a 1.2 kHz ac source. If the current is expressed in polar form as I = 0.3 angle 0° mA, what is the source voltage expressed in polar form? 45.6 V 0.411 V 4.11 V 411.3 V 45.6 V 0.411 V 4.11 V 411.3 V 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 167Ω 73Ω 129Ω 12.9Ω 167Ω 73Ω 129Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the source voltage decreases, the impedance of a parallel RC circuit decreases increases decreases to zero does not change decreases increases decreases to zero does not change ANSWER DOWNLOAD EXAMIANS APP
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