RL Circuits Which of the following power factors results in less energy loss in an RL circuit? 0.4 0.2 0.8 1 0.4 0.2 0.8 1 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 942Ω 1526Ω 1200Ω 152.6Ω 942Ω 1526Ω 1200Ω 152.6Ω ANSWER DOWNLOAD EXAMIANS APP
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 6.76 0.564 55.7 564 6.76 0.564 55.7 564 ANSWER DOWNLOAD EXAMIANS APP
RL Circuits When the frequency is decreased, the impedance of a parallel RL circuit decreases remains constant is not a factor increases decreases remains constant is not a factor increases ANSWER DOWNLOAD EXAMIANS APP
RL Circuits A 140Ω resistor is in parallel with an inductor having 60 inductive reactance. Both components are across a 12 V ac source. The magnitude of the total impedance is 55.15Ω 90Ω 5.51Ω 200Ω 55.15Ω 90Ω 5.51Ω 200Ω 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 0.3 angle 20.6° V 12.8 angle 20.6° V 13.84 angle 69.4° V 3.84 angle 20.6° V 0.3 angle 20.6° V 12.8 angle 20.6° V 13.84 angle 69.4° V 3.84 angle 20.6° V ANSWER DOWNLOAD EXAMIANS APP
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