Question

If $i_0,i_{rms}and{i}_{mean}$ are the values of peak, rms and mean currents of a.c, then

• A.
• B.
• C.
• D.

Answer 1

The correct option is C

$Weknowthat{i}_{rms}=\frac{i_0}{\sqrt{2}}and{i}_{avg}\left(or\right)i_{mean}=\frac{2i_0}{\pi }$

$\therefore i_0={\sqrt{2i}}_{rms}=\frac{\pi }{2}\left(i_{mean}\right)$