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 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° 47 angle 68.6° ANSWER DOWNLOAD EXAMIANS APP
RL Circuits If a load is purely inductive and the reactive power is 12 VAR, the apparent power is 6 VA 24 VA 12 VA 0 VA 6 VA 24 VA 12 VA 0 VA ANSWER DOWNLOAD EXAMIANS APP
RL Circuits When the frequency of the voltage applied to a series RL circuit is decreased, the impedance cannot be determined without values increases decreases does not change cannot be determined without values increases decreases does not change ANSWER DOWNLOAD EXAMIANS APP
RL Circuits Referring to Problem 23, the reactive power is 6.76 mVAR 10 mVAR 100 mVAR 148 mVAR 6.76 mVAR 10 mVAR 100 mVAR 148 mVAR 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 942Ω 152.6Ω 1526Ω 1200Ω 942Ω 152.6Ω 1526Ω 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 32 mA 152 mA 12 mA 120 mA 32 mA 152 mA 12 mA 120 mA ANSWER DOWNLOAD EXAMIANS APP
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