Question

The root mean square value of alternating current is equal to
(a) twice the peak value
(b) half the peak value
(c) 1/√2 times the peak value
(d) equal to peak value

Answer 1

Answer:

(c)

Explanation:

I=i°sinwt

irms=√<i>

<I>=i°^2/2

√<i>=i°/√2

Answer 2

Answer:

c) 1/√2 times the peak value