## Question

###### Negatively charged il drop of mass m distance is between apan: two horizontal parallel metal platesoil drop mass mMgdhorizontal metal platesWhen the potential difference (p.d:) between the speed. When the p.d_ plates is Vi IS decreased t0 Ihe oil drop value Vz the il rises drop constant falls at the same constant speed Air resislance acts on the drop When it is moving The upthrust on (he drop is negligible, The acceleration of free fall is g. What is lhe charge on the oil drop? mdg mdg 2mdg V-V2

negatively charged il drop of mass m distance is between apan: two horizontal parallel metal plates oil drop mass m Mgd horizontal metal plates When the potential difference (p.d:) between the speed. When the p.d_ plates is Vi IS decreased t0 Ihe oil drop value Vz the il rises drop constant falls at the same constant speed Air resislance acts on the drop When it is moving The upthrust on (he drop is negligible, The acceleration of free fall is g. What is lhe charge on the oil drop? mdg mdg 2mdg V-V2 2mdg Vi+Vz Vi-V2 Va+Vz

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