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? 129Ω 12.9Ω 167Ω 73Ω 129Ω 12.9Ω 167Ω 73Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the voltage applied to a series RC circuit is increased, the phase angle remains the same decreases increases becomes erratic remains the same decreases increases becomes erratic ANSWER DOWNLOAD EXAMIANS APP
RC Circuits For a certain load, the true power is 150 W and the reactive power is 125 VAR. The apparent power is 19.52 W 275 W 195.2 W 25 W 19.52 W 275 W 195.2 W 25 W 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 460 mA 4.6 mA 92 mA 9.2 mA 460 mA 4.6 mA 92 mA 9.2 mA ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 470 resistor and a 0.2 F capacitor are in parallel across a 2.5 kHz ac source. The admittance, Y, in rectangular form, is 3.14 mS + j2.12 mS 2.12 mS + j3.14 mS 318.3 212 3.14 mS + j2.12 mS 2.12 mS + j3.14 mS 318.3 212 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
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