Vac * 1.41 - 2 * 0.6 ≈ Vdc, u tvom slucaju
7 * 1.41 - 2 * 0.6 ≈ 8.67
to je najgrublji moguci proracun. Ovo
2 * 0.6 je pad napona na diodama (moze biti i veci i manji, obicno se uzima 0.6) u Grecovom spoju (niko nije savrsen

).
There are only 10 types of people in the world:
those who understand binary, and those who don't.