Search any question & find its solution
Question:
Answered & Verified by Expert
An alternating voltage $\mathrm{V}=\mathrm{V}_{0} \sin \omega \mathrm{t}$ is applied across a circuit. As a result, a current $\mathrm{I}=\mathrm{I}_{0} \sin \left(\omega \mathrm{t}-\frac{\pi}{2}\right)$ flows in it. The power consumed per cycle is
Options:
Solution:
1424 Upvotes
Verified Answer
The correct answer is:
zero
The phase angle between voltage $V$ and current $I$ is $\frac{\pi}{2}$.
Therefore, power factor $\cos \phi=\cos \left(\frac{\pi}{2}\right)=0$.
Hence the power consumed is zero.
Therefore, power factor $\cos \phi=\cos \left(\frac{\pi}{2}\right)=0$.
Hence the power consumed is zero.
Looking for more such questions to practice?
Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.