In an a.c. circuit $I=100 \sin 200 \pi t$. The time required for the current to achieve its peak value will be

Question

Aicharya · Accepted Answer

$I=100 \sin 200 \pi t$ Peak value $\mathrm{I}_0=100 \mathrm{~A}$ When $\mathrm{I}=100 \mathrm{~A}$, we have $100=100 \sin 200 \pi \mathrm{t}$ $	herefore \quad \sin 200 \pi \mathrm{t}=1$ $	herefore \quad 200 \pi \mathrm{t}=\frac{\pi}{2}$ $	herefore \quad \mathrm{t}=\frac{1}{400} \mathrm{~s}$

In an a.c. circuit $I=100 \sin 200 \pi t$. The time required for the current to achieve its peak value will be

Solution