RC Circuits In a series RC circuit, when the frequency and the resistance are halved, the impedance doubles is halved cannot be determined without values is reduced to one-fourth doubles is halved cannot be determined without values is reduced to one-fourth 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? 37.9Ω 4800Ω 3.7Ω 14400Ω 37.9Ω 4800Ω 3.7Ω 14400Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the source voltage decreases, the impedance of a parallel RC circuit decreases decreases to zero increases does not change decreases decreases to zero increases does not change ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In the complex plane, the number 14 – j5 is located in the second quadrant third quadrant first quadrant fourth quadrant second quadrant third quadrant first quadrant fourth quadrant 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 130 mW 13 mW 84.5 mW 845 mW 130 mW 13 mW 84.5 mW 845 mW ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the voltage applied to a series RC circuit is increased, the phase angle decreases remains the same becomes erratic increases decreases remains the same becomes erratic increases ANSWER DOWNLOAD EXAMIANS APP