In an ac circuit, the instantaneous values ...

CBSE Class 12 Physics 2024 All Sets Solved Paper

Question : 5 of 14

Marks: +1, -0

In an ac circuit, the instantaneous values of current (in A) and voltage (in V) are

I = 5 \sin \omega t

and

E = 200 \cos\left(\omega t + \frac{\pi}{3}\right)

respectively. The phase 3 difference between voltage and current at any instant is:

Solution:

\frac{\pi}{3} + \frac{\pi}{2} = \frac{2\pi + 3\pi}{6}

= \frac{5\pi}{6}

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