RL Circuits Which of the following power factors results in less energy loss in an RL circuit? 0.4 0.8 1 0.2 0.4 0.8 1 0.2 ANSWER DOWNLOAD EXAMIANS APP
RL Circuits If a load is purely inductive and the reactive power is 12 VAR, the apparent power is 0 VA 24 VA 12 VA 6 VA 0 VA 24 VA 12 VA 6 VA ANSWER DOWNLOAD EXAMIANS APP
RL Circuits When the frequency of the voltage applied to a series RL circuit is decreased, the impedance decreases does not change cannot be determined without values increases decreases does not change cannot be determined without values increases 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 1200Ω 1526Ω 152.6Ω 942Ω 1200Ω 1526Ω 152.6Ω ANSWER DOWNLOAD EXAMIANS APP
RL Circuits The voltages in Problem 5 are measured at a certain frequency. To make the resistor voltage less than the inductor voltage, the frequency is doubled not a factor increased decreased doubled not a factor increased decreased 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 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 0.3 angle 20.6° V 13.84 angle 69.4° V 3.84 angle 20.6° V ANSWER DOWNLOAD EXAMIANS APP