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 12.60 angle –76° mS 12.18 angle 76° mS 218 angle –76° mS 12.18 angle –76° mS 12.60 angle –76° mS 12.18 angle 76° mS 218 angle –76° mS ANSWER DOWNLOAD EXAMIANS APP
RL Circuits Referring to Problem 23, the reactive power is 10 mVAR 100 mVAR 6.76 mVAR 148 mVAR 10 mVAR 100 mVAR 6.76 mVAR 148 mVAR 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 55.7 6.76 0.564 564 55.7 6.76 0.564 564 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 decreased doubled increased not a factor decreased doubled increased not a factor ANSWER DOWNLOAD EXAMIANS APP
RL Circuits When the frequency is decreased, the impedance of a parallel RL circuit is not a factor increases decreases remains constant is not a factor increases decreases remains constant ANSWER DOWNLOAD EXAMIANS APP
RL Circuits If the frequency is halved and the resistance is doubled, the impedance of a series RL circuit cannot be determined without values remains constant doubles halves cannot be determined without values remains constant doubles halves ANSWER DOWNLOAD EXAMIANS APP
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