مغناطيس الموصلات الفائقة فيزياء الصف الاول الثانوى المطور
Superconductivity is a phenomenon of exactly zero electrical resistance and expulsion of magnetic fields occurring in certain materials when cooled below a characteristic critical temperature.
Superconductivity is a phenomenon of exactly zero electrical resistance and expulsion of magnetic fields occurring in certain materials when cooled below a characteristic critical temperature.
myesالثلاثاء 30 يوليو 2013 - 19:25