Question

An ac circuit, the current is given by i = 4 sin (100nt
+ 30º) ampere. The current becomes maximum first
time (after t = 0) at t equal to -
(1) (1/200) sec
(2) (1/300) sec
(3) (1/50) sec
(4) None of the above​

Answer 1

Explanation:

i max is I peak equals to i\root 2

equating the values

hoping it was right