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 Which of the following power factors results in less energy loss in an RL circuit? 0.8 0.2 0.4 1 0.8 0.2 0.4 1 ANSWER DOWNLOAD EXAMIANS APP
RL Circuits When the frequency is decreased, the impedance of a parallel RL circuit increases decreases is not a factor remains constant increases decreases is not a factor remains constant ANSWER DOWNLOAD EXAMIANS APP
RL Circuits If a load is purely inductive and the reactive power is 12 VAR, the apparent power is 24 VA 6 VA 12 VA 0 VA 24 VA 6 VA 12 VA 0 VA 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 42.4 A 424 mA 6 A 4.24 A 42.4 A 424 mA 6 A 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 942Ω 152.6Ω 1526Ω 1200Ω 942Ω 152.6Ω 1526Ω 1200Ω ANSWER DOWNLOAD EXAMIANS APP
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