

MCQOPTIONS
Saved Bookmarks
1. |
A single-phase transformer is switched on to an AC supply. In order to have minimum inrush current switch should be closed at? |
A. | Maximum supply voltage |
B. | Zero supply voltage |
C. | \(\frac{1}{{\sqrt 2 }}\) times of the maximum supply voltage |
D. | \(\frac{1}{2}\) times of the maximum supply voltage |
Answer» B. Zero supply voltage | |