ElectroMagnetic InductionHard

Question

In series LR circuit XL = 3R and R is resistance. Now a capacitor with XC = R is added in series. Ratio of new to old power factor is

Options

A.1
B.2
C.
D.√2

Solution

Old power factor =
New power factor =

Create a free account to view solution

View Solution Free
Topic: ElectroMagnetic Induction·Practice all ElectroMagnetic Induction questions

More ElectroMagnetic Induction Questions

For the given circuit...The working of dynamo is based on principle of : -...Dynamo is based on the principle of:-...Energy is stored in the choke coil in the form of : -...A short bar magnet passes at a steady speed right through a long solenoid. A galvanometer is connected across the soleno...