A solid conducting sphere with a radius of 35.4 cm contains atotal charge of 5.46 mC, evenly distributed over its surface.
(a) What is the direction of the electric field at its surface?
(b)What is the strength of the electric field at its surface?
Hint: use the shell theorem, which states that when calculating anelectrostatic force or field outside a charged sphere, the spherecan be treated as though all of its charge resides at itscenter.