The alternating current in an alternating circuit is given by `I=I_0sinomegat` In this case
A. the time taken by the current to reach maximum value of `I_0` from zero is `pi/(2omega)`
B. the time taken by the current to reach maximum value `I_0` from zero is `pi/(4omega)`
C. the time taken by the current to reach rms value from zero is `pi/(4omega)`
D. the time taken by the current to reach `-I_0` from zero is `pi/omega`
