GKFix MCQ Question

What is the potential due to a system of charges q₁, q₂, ..., qₙ at a point P?

• A. (1/(4πε₀)) * (Σqᵢ)/(ΣrᵢP)
• B. Sum of (1/(4πε₀)) * (qᵢ/rᵢP) for all i
• C. (1/(4πε₀)) * Σ(qᵢ*rᵢP)
• D. Σ (1/(4πε₀)) * (rᵢP/qᵢ)