An oil drop of radius 2 mm with a density 3g cm⁻³ is held stationary under a constant electric field 3.55 × 10⁵ V m⁻¹ in the Millikan's oil drop experiment. What is the number of excess electrons that the oil drop will possess? (consider g = 9.81 m/s²)

Electrostatics: JEE Main 2021 Physics question

JEE Main 2021 · 18 Mar, Morning shift · Q6966

JEE Main 202118 Mar, Morning shiftPhysicsMediumElectrostatics167× since 2002

An oil drop of radius 2 mm with a density 3g cm^

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3 is held stationary under a constant electric field 3.55

\times

10⁵ V m^

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1 in the Millikan's oil drop experiment. What is the number of excess electrons that the oil drop will possess? (consider g = 9.81 m/s²)

JEE Main 2021 Electrostatics Question with Solution (18 Mar Morning shift, Q6966) | JEE Arc