6233. Which of the following relationship is valid for the equilibrium position of the float in a rotameter ?(where, Df= Drag force on the float Bf = Buoyant force on the float Wf = Weight of the float)

Df + Bf = Wf
Df = Bf + Wf
Df + Bf + Wf =0
None of these
✅ The correct answer is option A.

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