Two 50-µC Point Charges Are 12 Cm Apart $\vec { E }$

Multiple Choice

Two 5.0-µC point charges are 12 cm apart.What is the electric potential (relative to infinity) of this combination at the point where the $\vec { E }$ field due to these charges is zero? (k = 1/4πε₀ = 9.0 × 10⁹ N ∙ m²/C²)

A) 0.75 MV
B) 1.5 MV
C) 0.0 MV
D) 25 MV
E) 12.5 MV