The rms value of current in an A.C. circuit is 10 A. What is the peak current?
Given: the root mean square value in an A.C. circuit, Irms = 10A A
The peak current can be calculated as follows:
Irms = I0 /√2
⇒ I0 = I√2 = (10 A)√2
⇒ I0 = 14.1 A