CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Transformers

An LR circuit...

Question

An LR circuit draws a power of }560W from a }210V,60Hz AC source. The power factor of the circuit } is }0.8, Find the value of }L and }R

Open in App

Solution

Suggest Corrections

thumbs-up

4

Similar questions

Q. In an AC circuit, current is

3 A

210 V

63 W

. The power factor is

L R

circuit, power of

400 W

is dissipated from a source of

250 V, 50 Hz .

The power factor of the circuit. is

0.8

. In order to bring the power factor to unity, a capacitor of value

C

is added in series to the

L

R

. Taking the value

C

(\frac{n}{3 π}) μ F,

n

Q. A circuit draws a power of 550 W from a source of 220 V, 50 Hz. The power factor of the circuit is 0.8 and the current lags in phase behind the potential difference. To make the power factor of the circuit as 1.0, what capacitance will have to be connected with it?

Q. A circuit draws a power of

550 W

from a source of

220 V

50 Hz

. The power factor of the circuit is

0.8

and the current lags in phase behind the potential difference. To make the power factor of the circuit as

1.0

, what capacitance is needed to be connected in series with it.

Q. A circuit draws 330W from a 110V, 60Hz AC line. The power factor is 0.6 and the current lags the voltage. The capacitance of a series capacitor that will result in a power factor of unity is equal to:

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Transformer

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard X Physics

Join BYJU'S Learning Program

CrossIcon