Unknown Poiseuille’s hagen lawis A F = (PA–PB) × 3.14 × r4/8nl B F = (PA+PB) × 3.14 × r4/8nl C F = (PA/PB) × 3.14 × r4/8nl D F = (PA × PB) × 3.14 × r4/8nl 💡 Explanation Poiseuille’s hagen lawis ✓ Correct Answer: A. F = (PA–PB) × 3.14 × r4/8nl