GKFix MCQ Question

What is the equivalent emf of two cells in parallel with ε₁ = 5 V, r₁ = 1 Ω, ε₂ = 5 V, r₂ = 2 Ω?

• A. 2.5 V
• B. 7 V
• C. 5 V
• D. 10 V