Answered: In Millikan's experiment, an oil drop… | bartleby

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In Millikan's experiment, an oil drop of radius 1.64 mm and density 0.851 gcm-³ is suspended
in the capacitive chamber when a downward electric field of 1.92 x 105 NC-1 is applied. Find
the charge on the drop, in terms of electron charge.

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A DROP OF CHARGED OIL WITH RADIUS R = 2.76 μm AND DENSITY ρ=920 Kg/m^3 IS KEPT IN EQUILIBRIUMUNDER THE COMBINED INFLUENCE OF ITS WEIGHT AND A UNIFORM ELECTRIC FIELD DIRECTED VERTICALLY DOWNWARDS AND OF MAGNITUDE E =1.65x10^6 N/C. CALCULATE THE MAGNITUDE AND SIGN OF THE CHARGE ON THE DROP IN TERMS OF THE CHARGE OF THE ELECTRON