In the Man of-drop experiment ilustrated in the figure below, an atomizer (a sprayer with a fine nozzle) is used to introduce many in plates Some of the droplets pick up one or more excess electrons. The charge on the plates is adjusted so that the electric force on the excess electrons exactly balances the weight of the droplet... look for a droplet that has the smallest electric force and assume it has only one excess electron. Suppose we are using an electric field of 5.15 x 10 N/C. The charge on one electron is 160 10C Calculate the radius of an oil drop of density 894 kg/m³ for which its weight could be balanced by the electric force of this field on one electron O droples Triew with Pinhole Ligh

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In the Minkan of-drop experiment illustrated in the figure below, an atomizer (a sprayer with a fine nozzle) is used to introduce many tiny droplets of oil between two oppositely charged parallel me
plates. Some of the droplets pick up one or more excess electrons. The charge on the plates is adjusted so that the electric force on the excess electrons exactly balances the weight of the droplet.
idea is to look for a droplet that has the smallest electric force and assume it has only one excess electron. Suppose we are using an electric field of 5.15 x 10 N/C. The charge on one electron is
160 x 10 C. Calculate the radius of an oil drop of density 894 kg/m³ for which its weight could be balanced by the electric force of this field on one electron
Oil droplets
Telescope with
scale in eyepiece
Pinhole
Light
Transcribed Image Text:In the Minkan of-drop experiment illustrated in the figure below, an atomizer (a sprayer with a fine nozzle) is used to introduce many tiny droplets of oil between two oppositely charged parallel me plates. Some of the droplets pick up one or more excess electrons. The charge on the plates is adjusted so that the electric force on the excess electrons exactly balances the weight of the droplet. idea is to look for a droplet that has the smallest electric force and assume it has only one excess electron. Suppose we are using an electric field of 5.15 x 10 N/C. The charge on one electron is 160 x 10 C. Calculate the radius of an oil drop of density 894 kg/m³ for which its weight could be balanced by the electric force of this field on one electron Oil droplets Telescope with scale in eyepiece Pinhole Light
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