KCET 2016 Physics Solved Paper

Given, rms value of current = 6 A
⇒Irms=‌

Irms

√2

=6A
Average current value of ac current over a cycle is zero.Since the average current over a half cycle is 0.637Imax and average current over the next half cycle is −0.637Imax.
Therefore, average current over a complete cycle is zero.