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 13.84 angle 69.4° V 3.84 angle 20.6° V 0.3 angle 20.6° V 12.8 angle 20.6° V 13.84 angle 69.4° V 3.84 angle 20.6° V 0.3 angle 20.6° V ANSWER DOWNLOAD EXAMIANS APP
RL Circuits Referring to Problem 23, the reactive power is 10 mVAR 6.76 mVAR 100 mVAR 148 mVAR 10 mVAR 6.76 mVAR 100 mVAR 148 mVAR ANSWER DOWNLOAD EXAMIANS APP
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 5.51Ω 200Ω 90Ω 55.15Ω 5.51Ω 200Ω 90Ω 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 12.60 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 frequency is decreased, the impedance of a parallel RL circuit remains constant is not a factor decreases increases remains constant is not a factor decreases increases ANSWER DOWNLOAD EXAMIANS APP
RL Circuits When the resistor voltage in a series RL circuit becomes less than the inductor voltage, the phase angle decreases is not affected cannot be determined increases decreases is not affected cannot be determined increases ANSWER DOWNLOAD EXAMIANS APP
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