RC Circuits When the frequency of the source voltage decreases, the impedance of a parallel RC circuit decreases to zero decreases does not change increases decreases to zero decreases does not change increases 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 0.411 V 45.6 V 4.11 V 411.3 V 0.411 V 45.6 V 4.11 V 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? 14400Ω 37.9Ω 4800Ω 3.7Ω 14400Ω 37.9Ω 4800Ω 3.7Ω 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 4.6 mA 9.2 mA 92 mA 460 mA 4.6 mA 9.2 mA 92 mA 460 mA 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 2.16 3.46 21.63 4.24 2.16 3.46 21.63 ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the angular difference between +j4 and –j4? 30° 90° 270° 180° 30° 90° 270° 180° ANSWER DOWNLOAD EXAMIANS APP
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