The current flowing in a wire fluctuates...

The current flowing in a wire fluctuates sinusoidally as shown in the diagram. The root mean square valuie of the current is

`i_(0)((1)/(2)+1)^(2)`

`i_(0)(sqrt2+1)^(t//2)`

`2sqrt2 t_(0)`

`i_(0)((2sqrt2+1)/(2))^(t//2)`

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