GKFix MCQ Question

What is the flux linkage in coil 1 when current I₂ flows in coil 2?

• A. N₁Φ₁ = L I₁
• B. N₁Φ₁ = M I₂
• C. N₁Φ₁ = R I
• D. N₁Φ₁ = V t