The diagram above illustrates an isolated metal sphere carrying charge W in a medium whose permittivity is so. The magnitude of the electric field intensity at P can be expressed as
-
A.
Q2/(4πεor2) -
B.
Q/(4πεor2) -
C.
Q/(4πεor) -
D.
Q2/(4πεor2) -
E.
Q/(4πεor) 2