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? 37.9Ω 3.7Ω 14400Ω 4800Ω 37.9Ω 3.7Ω 14400Ω 4800Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits The complex number 6 + j6 is equivalent to 3645° 8.4845° 645° 8.4890° 3645° 8.4845° 645° 8.4890° 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 = 47Ω – j150Ω Z = 197Ω Z = 103Ω Z = 47Ω + j150Ω Z = 47Ω – j150Ω Z = 197Ω Z = 103Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the source voltage decreases, the impedance of a parallel RC circuit increases does not change decreases to zero decreases increases does not change decreases to zero decreases 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? 411.3 V 4.11 V 45.6 V 0.411 V 411.3 V 4.11 V 45.6 V 0.411 V ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In a series RC circuit, when the frequency and the resistance are halved, the impedance doubles is reduced to one-fourth cannot be determined without values is halved doubles is reduced to one-fourth cannot be determined without values is halved ANSWER DOWNLOAD EXAMIANS APP
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