If a sinusoidal wave has frequency of 50 Hz with 30 A r.m.s. current which of the following equation represents this wave________?
A30 sin 50 t
B84.84 sin 25 t
C42.42 sin 3141
D60 sin 25 t
Correct answer
C. 42.42 sin 3141
Explanation
The correct answer is 42.42 sin 3141.