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 73Ω 167Ω 12.9Ω 129Ω 73Ω 167Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In a series RC circuit, 12 V(rms) is measured across the resistor and 15 V(rms) is measured across the capacitor. The rms source voltage is 3 V 27 V 19.2 V 1.9 V 3 V 27 V 19.2 V 1.9 V ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In a series RC circuit, when the frequency and the resistance are halved, the impedance cannot be determined without values is reduced to one-fourth is halved doubles cannot be determined without values is reduced to one-fourth is halved doubles 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 411.3 V 4.11 V 45.6 V 0.411 V 411.3 V 4.11 V ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the value of the hypotenuse of a right triangle whose sides are 12 and 18? 4.24 21.63 2.16 3.46 4.24 21.63 2.16 3.46 ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 2 kΩ resistor and a 0.002 μF capacitor are in series across an ac source. Current in the circuit is 6.50 mA. The true power is 845 mW 84.5 mW 13 mW 130 mW 845 mW 84.5 mW 13 mW 130 mW ANSWER DOWNLOAD EXAMIANS APP
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