In an ac circuit, the instantaneous values of current (in ...

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 ω t

and

E = 200 \cos(ω t + \;{π}/{3})

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

Solution:

\;{π}/{3} + \;{π}/{2} = \;{2 π + 3 π }/{6}

=\;{ 5 π }/{6}

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