If an A.C. main supply is given to be 220 V. What you would be the average e.m.f. during a positive half cycle__________
A. 198 V
B. 386 V
C. 256 V
D. None of these
Answer:C
If an A.C. main supply is given to be 220 V. What you would be the average e.m.f. during a positive half cycle__________
A. 198 V B. 386 V C. 256 V D. None of these