Electric field of an isolated charged metallic sphere at any interior point is

Electric Field Due To An Isolated Point Charge

Why is the direction of the electric field due to a charged conducting sphere at any point perpendicular to its surface?

Read the statement carefully and write 'Yes' for correct statements and 'No' for wrong statements : In an electric field due to an isolated point charge the electric potential is a point function.

Electric field intensity due to a charged sphere at a point outside the sphere decreases with "……………….." .