ElectroMagnetic InductionHard
Question
The effective value of current i = 2 sin 100π t + 2 sin (100πt + 30o) is
Options
A.√2 A
B.
C.4
D.None
Solution
i = 2 sin 100πt + 2 sin(100πt) cos 30o
+ 2cos(100πt) sin 30o
= (2 + √3) sin 100πt + cos(100πt)
+ 2cos(100πt) sin 30o
= (2 + √3) sin 100πt + cos(100πt)
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