/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: alhajalsiddig https://cdn.slidesharecdn.com/profile-photo-alhajalsiddig-48x48.jpg?cb=1523448376 SUDAN UNVERSTY SIENS AND TEGNOLGY COLLAG OF ENGINERING قسم الهندسه الكهربائيه