12173. Maximum fluctuation of energy in a flywheel is equal to (where I = Mass moment of inertia of the flywheel, E = Maximum fluctuation of energy, CS = Coefficient of fluctuation of speed, and ω = Mean angular speed = ) September 13, 2025 by Admin Iω(ω1 – ω2) Iω2CS 2ECS all of these ✅ The correct answer is option D.