Correct Option: A

The given circuit:

L_eq = L₁ + L₂ + L₃ – 2M₁₂ + 2M₂₃
where
L₁ = 3H, L₂ = 2H, L₃ = 6H, M₁₂ = 2H, M₂₃ = 3H
Now,
L_eq = 3H + 2H + 6H – 2 × 2H + 2 × 3H
or
L_eq = 11H – 4H + 6H = 13H
Hence alternative (A) is the correct choice.