RL Circuits A 1.5 kΩ resistor and a coil with a 2.2 kΩ inductive reactance are in series across an 18 V ac source. The power factor is 55.7 564 0.564 6.76 55.7 564 0.564 6.76 ANSWER DOWNLOAD EXAMIANS APP
RL Circuits When the resistor voltage in a series RL circuit becomes less than the inductor voltage, the phase angle cannot be determined increases decreases is not affected cannot be determined increases decreases is not affected ANSWER DOWNLOAD EXAMIANS APP
RL Circuits Which of the following power factors results in less energy loss in an RL circuit? 0.2 0.4 1 0.8 0.2 0.4 1 0.8 ANSWER DOWNLOAD EXAMIANS APP
RL Circuits A 1.2 kΩ resistor is in series with a 15 mH coil across a 10 kHz ac source. The magnitude of the total impedance is 152.6Ω 1200Ω 942Ω 1526Ω 152.6Ω 1200Ω 942Ω 1526Ω ANSWER DOWNLOAD EXAMIANS APP
RL Circuits When the frequency of the voltage applied to a series RL circuit is decreased, the impedance increases does not change cannot be determined without values decreases increases does not change cannot be determined without values decreases ANSWER DOWNLOAD EXAMIANS APP
RL Circuits A 12 kΩ resistor is in series with a 90 mH coil across an 8 kHz ac source. Current flow in the circuit, expressed in polar form, is I = 0.3 angle 0° mA. The source voltage, expressed in polar form, is 3.84 angle 20.6° V 13.84 angle 69.4° V 0.3 angle 20.6° V 12.8 angle 20.6° V 3.84 angle 20.6° V 13.84 angle 69.4° V 0.3 angle 20.6° V 12.8 angle 20.6° V ANSWER DOWNLOAD EXAMIANS APP
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