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° 129 angle 68.6° 129 angle 31.4° 47 angle 68.6° 120 angle 68.6° 129 angle 68.6° 129 angle 31.4° 47 angle 68.6° 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 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 ANSWER DOWNLOAD EXAMIANS APP
RL Circuits In a series RL circuit, 12 V rms is measured across the resistor, and 14 V rms is measured across the inductor. The peak value of the source voltage is 2 V 20 V 26.0 V 18.4 V 2 V 20 V 26.0 V 18.4 V ANSWER DOWNLOAD EXAMIANS APP
RL Circuits When the frequency of the voltage applied to a series RL circuit is decreased, the impedance decreases increases does not change cannot be determined without values decreases increases does not change cannot be determined without values ANSWER DOWNLOAD EXAMIANS APP
RL Circuits Referring to Problem 23, the reactive power is 100 mVAR 10 mVAR 6.76 mVAR 148 mVAR 100 mVAR 10 mVAR 6.76 mVAR 148 mVAR 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
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