question_answer

A hollow insulated conduction sphere is given a positive charge of \[10\mu C.\] What will be the electric field at the center of the sphere if its radius is 2m?

A) Zero     

B) \[5\mu C{{m}^{-2}}\]

C) \[20\mu C{{m}^{-2}}\]

D) \[8\mu C{{m}^{-2}}\]