In an $AC$ circuit,the current is given by $I = 100 \sin(200 \pi t)$. The time required for the current to achieve its peak value will be:
- A$\frac{1}{100} \, s$
- B$\frac{1}{200} \, s$
- C$\frac{1}{300} \, s$
- D$\frac{1}{400} \, s$
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For an $A.C.$ current $I = 100 \sin(200 \pi t)$,after what time does the current reach its maximum value?
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