question_answer

The RMS value of an ac of 50Hz is 10 A. The time taken by an alternating current in reaching from zero to maximum value and the peak value of current will be:

A) \[2\times {{10}^{-2}}\]sec and 14.14A

B) \[5\times {{10}^{-3}}\]sec and 7.07A

C) \[1\times {{10}^{-2}}\]sec and 7.07A

D) \[5\times {{10}^{-3}}\]sec and 14.14A