GKFix MCQ Question

If the potential at infinity is zero, the potential at a distance r from a point charge Q is:

• A. (1/(4πε₀)) × (Q/r²)
• B. (1/(4πε₀)) × (Q²/r)
• C. (1/(4πε₀)) × (Q/r)
• D. (1/(4πε₀)) × (r/Q)