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 12.8 angle 20.6° V 0.3 angle 20.6° V 3.84 angle 20.6° V 13.84 angle 69.4° V 12.8 angle 20.6° V 0.3 angle 20.6° V 3.84 angle 20.6° V 13.84 angle 69.4° V 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 12.60 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 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 18.4 V 20 V 26.0 V 2 V 18.4 V 20 V 26.0 V 2 V 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 42.4 A 6 A 4.24 A 424 mA 42.4 A 6 A 4.24 A 424 mA ANSWER DOWNLOAD EXAMIANS APP
RL Circuits Which of the following power factors results in less energy loss in an RL circuit? 1 0.2 0.8 0.4 1 0.2 0.8 0.4 ANSWER DOWNLOAD EXAMIANS APP
RL Circuits When the frequency of the voltage applied to a series RL circuit is increased, the phase angle cannot be determined without values increases does not change decreases cannot be determined without values increases does not change decreases ANSWER DOWNLOAD EXAMIANS APP
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