In an R.C. circuit resistance = 4 Omega ...

In an R.C. circuit resistance = 4 Omega and XC = `3 Omega`, then power factor is

0.8

Text Solution

Verified by Experts

Topper's Solved these Questions

AC CIRCUITS
CHETANA PUBLICATION|Exercise Exercise|122 Videos
Current Electricity
CHETANA PUBLICATION|Exercise Exercise|92 Videos

Similar Questions

Explore conceptually related problems

A LCR series circuit has the impedance of 240 ohm. If R = 120 Omega , find the power factor of the circuit.

An A.C. circuit of peak e.m.f. 200 V and of frequency 50 Hz contains an inductive of 0.1 H and resistance 10 Omega in series. Find the power factor and the power consumed in the circuit

Choose correct alternative. Two resistance of 3 Omega and 2 Omega are connected in series to a cell of emf 3 volt and internal resistance of 1 Omega . The potential difference across 3 Omega resistance will be A. 1 volt B. 0.5 volt C. 1.5 volt D. 2 volt

The measurement of an unknown resistance R is to be carried out using Wheatstone's bridge. Two students perform an experiment in two ways. The first student R_2 = 10 Omega and R_1 = 5 Omega the other student takes R_2 = 1000 Omega and R_1 = 500 Omega . In the standard arm ,both take R_3 = 5 Omega . Both find R = [R_2/R_1] R_3 = 10 Omega within errors

A 6Omega resistanceand 8Omega inductance are connected in series then power factor of the circuit is

An alternating voltage of 240V, 50 Hz is applied to 20H inductance coil and resistance 300 Omega . Calculate, inductive reactance power factor and power absorbed.

Find the effective resistance of the combination of two resistors of resistances 10 Omega and 15 Omega connected in series (ii) parallel.

Three resistors having resistances of 12 Omega , 9 Omega , 4 Omega and 3 Omega are connected in series. What is the effective resistance in the circuit?

A silver wire has a resistance of 4.2 Omega at 27^@C and resistance 5.4 Omega at 100^@C . Determine the temperature coefficient of resistance.

Three resistors having resistances of 3 Omega , 4 Omega and 6 Omega are connected in parallel and a potential difference of 12 V is applied across them. Obtain the current flowing through the circuit and through individual resistors. What is the effective resistance in the circuit?

CHETANA PUBLICATION-AC CIRCUITS-Exercise

The impedance of LCR circuit increases with frequency when
Text Solution
|
Which of the following depends upon frequency?
Text Solution
|
In an R.C. circuit resistance = 4 Omega and XC = 3 Omega, then power f...
Text Solution
|
In a circuit L,Cand R are connected in series with an alternating volt...
Text Solution
|
In an AC circuit, e and i are given by e = 150 sin 150 t V and i = 150...
Text Solution
|
In a series LCR circuit the phase difference between the v oltage and ...
Text Solution
|
Select and write the most appropriate answer. The instantaneous curren...
Text Solution
|
An L- C - R series circuit is joined to a source of alternating e.m.f....
Text Solution
|
In an A.C. circuit I =10 cos (100t) ampere and V = 20 sin (100t). The ...
Text Solution
|
An alternating e.m.f. is applied to a series L - C - R circuit. It the...
Text Solution
|
Answer the following in short. What isthe power factor for a purely re...
Text Solution
|
State the condition for series resonance. Obtain an expression for res...
Text Solution
|
What is the phase difference between current and e.m.f. in a purely ca...
Text Solution
|
A alternating e.m.f. e = 200 sin (100 pit) is connected across a resis...
Text Solution
|
Define: inductive reactance capacitive.
Text Solution
|
Define peak and r.m.s. value of alternating signal.
Text Solution
|
Distinugish between Resistance and Reactance.
Text Solution
|
A radio can tune over a frequency range 400 kHz to 600 kHz of the medi...
Text Solution
|
Distinguish between acceptor circuit and rejector circuit.
Text Solution
|
An A.C. circuit consists of a resistor of 5 Omega and inductor of 10 m...
Text Solution
|