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 When the resistor voltage in a series RL circuit becomes less than the inductor voltage, the phase angle cannot be determined decreases is not affected increases cannot be determined decreases is not affected increases 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 increased doubled decreased not a factor increased doubled decreased 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 47 angle 68.6° 129 angle 68.6° 129 angle 31.4° 120 angle 68.6° 47 angle 68.6° 129 angle 68.6° 129 angle 31.4° 120 angle 68.6° ANSWER DOWNLOAD EXAMIANS APP
RL Circuits In a parallel RL circuit, there are 3 A rms in the resistive branch and 3 A rms in the inductive branch. The total rms current is 4.24 A 424 mA 6 A 42.4 A 4.24 A 424 mA 6 A 42.4 A 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 6.76 55.7 0.564 564 6.76 55.7 0.564 564 ANSWER DOWNLOAD EXAMIANS APP
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