Electric Charge Is Uniformly Distributed Inside a Nonconducting Sphere of Radius

Multiple Choice

Electric charge is uniformly distributed inside a nonconducting sphere of radius .The electric field at a point P,which is 0.50 m from the center of the sphere,is and is directed radially outward.At what distance from the center of the sphere does the electric field have the same magnitude as it has at P?

A) 0.11 m
B) 0.13 m
C) 0.15 m
D) 0.17 m
E) at no other point