MCQOPTIONS
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| 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 | |