RL Circuits When the frequency of the voltage applied to a series RL circuit is increased, the phase angle cannot be determined without values decreases increases does not change cannot be determined without values decreases increases does not change ANSWER DOWNLOAD EXAMIANS APP
RL Circuits Which of the following power factors results in less energy loss in an RL circuit? 1 0.2 0.8 0.4 1 0.2 0.8 0.4 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 3.84 angle 20.6° V 0.3 angle 20.6° V 13.84 angle 69.4° V 12.8 angle 20.6° V 3.84 angle 20.6° V 0.3 angle 20.6° V 13.84 angle 69.4° V ANSWER DOWNLOAD EXAMIANS APP
RL Circuits If a load is purely inductive and the reactive power is 12 VAR, the apparent power is 6 VA 24 VA 12 VA 0 VA 6 VA 24 VA 12 VA 0 VA 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 increased decreased not a factor doubled increased decreased not a factor doubled ANSWER DOWNLOAD EXAMIANS APP
RL Circuits A 470Ω resistor and a 200 mH coil are in parallel. Both components are across a 1.5 kHz ac source. The total admittance of the circuit, in polar form, is 218 angle –76° mS 12.60 angle –76° mS 12.18 angle –76° mS 12.18 angle 76° mS 218 angle –76° mS 12.60 angle –76° mS 12.18 angle –76° mS 12.18 angle 76° mS ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS