In a series LR circuit X L = R and power factor of the circuit is P l . When capacitor with capacitance C such that X L = X c is put in series, the power factor becomes P 2 . The ratio
is
Text Solution
Verified by ExpertsThe correct answer is:
B
In case of L-R circuit
& power factor

As 


In case of L-C-R circuit

As 



Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
To increase the resonant frequency in series LCR circuit,
The rms value of conduction current in a parallel plate capacitor is 6.9 A. The capacity of this c…
When you walk through a metal detector carrying a metal object in your pocket, it raises an alarm. …
A series LCR circuit has L = 0.01 H, R = 10 and C = 1 F and it is connected to ac voltage of ampl…
The equation of current in a purely inductive circuit is 5 sin(49 -30°). If the inductance is 30 m…
An alternating emf E = 440 sin100 t is applited to a circuit containing an inductance of H. If an…