The Electrical Potential 2

The electrical potential 2.5 cm from a point charge of Q₁ = +4.5 × 10^-9 C and 2.0 cm from a second charge Q₂ is 3.2 kV. Find Q₂.

A) 2.7 × 10^-9 C
B) 4.4 × 10^-9 C
C) 1.1 × 10^-8 C
D) 3.5 × 10^-9 C
E) 5.5 × 10^-9 C