Two alternating currents are given by and

PHYSICS · Subjective · CBSE · Physics · Alternating Current · Alternating Current

Problem

Two alternating currents are given by

i_1 = I_0 \sin \omega t

and

i_2 = I_0 \sin \bigl( \omega t + \pi/3 \bigr)

. Which current leads in phase and by how much? Give a brief reason for your answer.