In a certain circuit current changes with time according to \( i=2 \sqrt{t} \) RMS value of curr...

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In a certain circuit current changes with time according to \( i=2 \sqrt{t} \) RMS value of current between \( t=2 \mathrm{~s} \) to \( t=4 \mathrm{~s} \) will be
(A) \( 3 A \)
(B) \( 3 \sqrt{3} A \)
(C) \( 2 \sqrt{3} A \)
(D) \( (2-\sqrt{2}) A \)
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