RL Circuits Which of the following power factors results in less energy loss in an RL circuit? 0.2 0.4 0.8 1 0.2 0.4 0.8 1 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 13.84 angle 69.4° V 3.84 angle 20.6° V 12.8 angle 20.6° V 0.3 angle 20.6° V 13.84 angle 69.4° V 3.84 angle 20.6° V 12.8 angle 20.6° V 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 564 0.564 55.7 6.76 564 0.564 55.7 6.76 ANSWER DOWNLOAD EXAMIANS APP
RL Circuits If the frequency is halved and the resistance is doubled, the impedance of a series RL circuit doubles cannot be determined without values halves remains constant doubles cannot be determined without values halves remains constant ANSWER DOWNLOAD EXAMIANS APP
RL Circuits If a load is purely inductive and the reactive power is 12 VAR, the apparent power is 24 VA 0 VA 6 VA 12 VA 24 VA 0 VA 6 VA 12 VA ANSWER DOWNLOAD EXAMIANS APP
RL Circuits A 47Ω resistor is in series with an inductive reactance of 120Ω across an ac source. The impedance, expressed in polar form, is 47 angle 68.6° 120 angle 68.6° 129 angle 31.4° 129 angle 68.6° 47 angle 68.6° 120 angle 68.6° 129 angle 31.4° 129 angle 68.6° ANSWER DOWNLOAD EXAMIANS APP
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