RC Circuits When the frequency of the source voltage decreases, the impedance of a parallel RC circuit decreases does not change increases decreases to zero decreases does not change increases decreases to zero ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A resistor and a capacitor are in series across a 20 V ac source. Circuit impedance is 4.33 k. Current flow in the circuit is 92 mA 4.6 mA 460 mA 9.2 mA 92 mA 4.6 mA 460 mA 9.2 mA ANSWER DOWNLOAD EXAMIANS APP
RC Circuits The complex number 6 + j6 is equivalent to 8.4890° 645° 3645° 8.4845° 8.4890° 645° 3645° 8.4845° 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 180° Ω Z = 150 –90° Ω Z = 150 Z = 150 angle – 90° Ω Z = 150 angle 180° Ω Z = 150 –90° Ω Z = 150 Z = 150 angle – 90° Ω 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 167Ω 73Ω 12.9Ω 129Ω 167Ω 73Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In a parallel RC circuit, there is 100 mA through the resistive branch and 100 mA through the capacitive branch. The total rms current is 200 mA 141 mA 282 mA 100 mA 200 mA 141 mA 282 mA 100 mA ANSWER DOWNLOAD EXAMIANS APP