A Metal Sphere of Radius R = 12 Cm Carries $\mu$

Multiple Choice

A metal sphere of radius R = 12 cm carries a total charge of Q = 1 $\mu$ C.What is the magnitude of the electric field just outside the sphere?

A) 1.25 N/C
B) 425 N/C
C) 85,200 N/C
D) 625,000 N/C
E) 1.25 * 10⁸ N/C