Question

If instantaneous current is equal to $6\sin 314t$ then calculate (i) lav (ii) lrms (iii)lo and (iv) frequency.

Answer 1

1. $I_{av}=\frac{2I_0}{\pi }=0.637I_0=0.637\times 6=3.822A$
2. $I_{rms}=\frac{I_0}{\sqrt{2}}=0.707I_0=0.707\times 6=4.242A$
3. $I_0=6A$
4. $f=\omega /2\pi =\frac{314}{2\pi }=1/2=0.5Hz$