RL Circuits A 140Ω resistor is in parallel with an inductor having 60 inductive reactance. Both components are across a 12 V ac source. The magnitude of the total impedance is 55.15Ω 200Ω 5.51Ω 90Ω 55.15Ω 200Ω 5.51Ω 90Ω 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 120 angle 68.6° 47 angle 68.6° 129 angle 31.4° 129 angle 68.6° 120 angle 68.6° 47 angle 68.6° 129 angle 31.4° 129 angle 68.6° ANSWER DOWNLOAD EXAMIANS APP
RL Circuits When the frequency is decreased, the impedance of a parallel RL circuit increases is not a factor remains constant decreases increases is not a factor remains constant decreases ANSWER DOWNLOAD EXAMIANS APP
RL Circuits Which of the following power factors results in less energy loss in an RL circuit? 1 0.2 0.4 0.8 1 0.2 0.4 0.8 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 12.18 angle 76° mS 12.18 angle –76° mS 12.60 angle –76° mS 218 angle –76° mS 12.18 angle 76° mS 12.18 angle –76° mS 12.60 angle –76° mS ANSWER DOWNLOAD EXAMIANS APP
RL Circuits If the frequency is halved and the resistance is doubled, the impedance of a series RL circuit doubles remains constant cannot be determined without values halves doubles remains constant cannot be determined without values halves ANSWER DOWNLOAD EXAMIANS APP
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