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 31.4° 129 angle 68.6° 120 angle 68.6° 47 angle 68.6° 129 angle 31.4° 129 angle 68.6° 120 angle 68.6° 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 5.51Ω 55.15Ω 200Ω 90Ω 5.51Ω 55.15Ω 200Ω 90Ω ANSWER DOWNLOAD EXAMIANS APP
RL Circuits A 1.2 kΩ resistor is in series with a 15 mH coil across a 10 kHz ac source. The magnitude of the total impedance is 1200Ω 152.6Ω 942Ω 1526Ω 1200Ω 152.6Ω 942Ω 1526Ω 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
RL Circuits Referring to Problem 23, the reactive power is 148 mVAR 100 mVAR 6.76 mVAR 10 mVAR 148 mVAR 100 mVAR 6.76 mVAR 10 mVAR ANSWER DOWNLOAD EXAMIANS APP
RL Circuits A 470Ω resistor and a coil with 125Ω inductive reactance are in parallel. Both components are across a 15 V ac voltage source. Current through the inductor is 152 mA 32 mA 120 mA 12 mA 152 mA 32 mA 120 mA 12 mA ANSWER DOWNLOAD EXAMIANS APP
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