Question

A hollow metal sphere 1.0 m in diameter carries a charge of 4.0 μC. The electric field at a distance of 2.0 m from the center of the sphere is most nearly

(A) 9.0 × 10³ N/C 

(B) 1.8 × 10⁴ N/C 

(C) 2.4 × 10⁴ N/C 

(D) 3.6 × 10⁴ N/C 

(E) 1.4 × 10⁵ N/C

Answer 1

The correct option is: (A) 9.0 × 10³ N/C 

Explanation:

E = kQ/r²