NEETPhysics-AC Circuits
NEET Physics Power Factor MCQ Question
Type: MCQ-numerical-Hard
For the series LCR circuit connected with 220 V, 50 Hz a.c source as shown in the figure, the power factor is α/10. The value of α is

A
10
B
4
C
6
D
8
Correct Answer
Option C
Detailed Explanation
The power factor is calculated using the impedance of the LCR circuit and the phase difference between voltage and current.
Found an issue with this question?
Related Questions
More from AC Circuits
An inductor 20 mH, a capacitor 100 μF and a resistor 50 Ω are connected in series across a source of emf, \( V = 10 \sin 314\, t \). The power loss in...
2018Physics
An inductor 20 mH, a capacitor 50 μF and a resistor 40 Ω are connected in series across a source of emf V = 10 sin340t. The power loss in A.C. circuit...
2016Physics
The value of quality factor is :
2000Physics