Assertion (A): An ac regulator uses natural commutation
Reason (R): An ac regulator can be used for static on load tap changing of transformer.
A. Both A and R are correct and R is correct explanation of A
B. Both A and R correct but R is not correct explanation of A
C. A is correct but R is wrong
D. A is wrong but R is correct
Show Answer
Answer: B
Share your understanding of this question with the correct explanation.