الاعضاء الاعزاء
السلام عليكم
ارجو من حضراتكم مساعدة في حل هذا السؤال فقد اشكل عليّ ولم استطع حله .
لذا ارجو الحل بالتفصيل ...
السؤال هو :

[align=left]A positive point gharge (q) located at the centre of a hollow ****l sphere. what charge apper on
a. the inner surface of the sphere
b. the outer surface of the sphere
c. if you bring an (uncharged) ****l object near the sphere , will it change your answer in (a) or (b) above
d. will it change the way charge is distributed ouer the sphere
e. when the surface of the sphere is touched what is the charge of the sphere then[/align]