RL Circuits If a load is purely inductive and the reactive power is 12 VAR, the apparent power is 12 VA 0 VA 6 VA 24 VA 12 VA 0 VA 6 VA 24 VA 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 12.8 angle 20.6° V 13.84 angle 69.4° V 0.3 angle 20.6° V 3.84 angle 20.6° V 12.8 angle 20.6° V 13.84 angle 69.4° V 0.3 angle 20.6° V 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 not a factor decreased increased doubled not a factor decreased increased doubled 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 0.8 1 0.2 0.4 0.8 1 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 12.18 angle 76° mS 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 ANSWER DOWNLOAD EXAMIANS APP
RL Circuits A 470Ω resistor and a coil with 125Ω inductive reactance are in parallel. Both components are across a 15 V ac voltage source. Current through the inductor is 120 mA 12 mA 152 mA 32 mA 120 mA 12 mA 152 mA 32 mA ANSWER DOWNLOAD EXAMIANS APP