First slide

AC Circuits

Question

If power factor is 1/2 in a series RL circuit $R = 100 Ω$ . ac mains is used then L is

Moderate

A

$\frac{\sqrt{3}}{π} Henry$
B

$π Henry$
C

$\frac{π}{\sqrt{3}} Henry$
D

None of these

Solution

$cosφ = \frac{1}{2} \Rightarrow φ = 60^{o} \tan 60^{o} = \frac{ωL}{R} \Rightarrow L = \frac{\sqrt{3}}{π} H$

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App