Rl Circuits - Study Mode
[#21] A filter passes certain frequencies and rejects others.
Correct Answer
(A) True
[#22] When the frequency of the voltage applied to a series RL circuit is decreased, the impedance decreases
Correct Answer
(A) True
[#23] When the frequency is decreased, the impedance of a parallel RL circuit
Correct Answer
(B) Decreases
[#24] In an RL circuit, the impedance is determined by both the resistance and the inductive reactance combined.
Correct Answer
(A) True
[#25] A 1.5 kΩ resistor and a coil with a 2.2 kΩ inductive reactance are in series across an 18 V ac source. The power factor is
Correct Answer
(B) 0.564