A 47 resistor is in series with an inductive reactance of 120 across a – McqOptions

MCQOPTIONS

1.	A 47 resistor is in series with an inductive reactance of 120 across an ac source. The impedance, expressed in polar form, is
A.	47 68.6Â°
B.	120 68.6Â°
C.	129 31.4Â°
D.	129 68.6Â°
Answer» E.

Discussion

No Comment Found

Related MCQs

What is the magnitude of the phase angle of a 24 Vac parallel RL circuit when R = 45 and X L = 1100 ?
What is the true power of a 24 Vac parallel RL circuit when R = 45 and X L = 1100 ?
If X L = 100 and R = 100 , then impedance will be
Referring to Problem 23, the reactive power is
When the frequency of the voltage applied to a series RL circuit is increased, the phase angle
A 3.3 k resistor and a 120 mH coil are in parallel. Both components are across a 2 kHz, 12 V ac source. The total current in the circuit is
A 47 resistor is in series with an inductive reactance of 120 across an ac source. The impedance, expressed in polar form, is
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
A 140 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
A 12 k 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 0Â° mA. The source voltage, expressed in polar form, is