What is the distance OA for the square shown in figure :-

Options

A. 10V
B. 7V
C. 6.37V
D. None of these

Answer

A

Explanation

`Y = {{:(" 10 , "0 lt t lt T// 2),(-10" , "T//2lt t lt T):}`
`V_(rms) = sqrt((1)/(T) [ int _(0)^(T//2) (10)^(2) dt + int _(T//2)^(T) (-10)^(2) dt ])`
` = sqrt((1)/(T) [ 100 xx (T)/(2) + 100 xx (T - T //2) ]) = 10 V `