The effective value of current $i = 2\, sin\, 100\, \pi\, t + 2 \,sin(100\, \pi \,t + 30^o)$ is :
The effective value of current $i = 2\, sin\, 100\, \pi\, t + 2 \,sin(100\, \pi \,t + 30^o)$ is :
- A
$\sqrt 2 A$
- B
$2\,\sqrt {2 + \sqrt 3 } $
- C
$4$
- D
None
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