In frictional electrification, when two different, electrically neutral objects are rubbed together, electrons are transferred from one object to another, making them electrically charged. Consider that in an experiment a group rubbed a glass rod on a piece of silk, with a quantity of electrons being transferred from the glass to the piece of silk. The glass became positively charged, with an electrical charge of 1.39∙10-17 C. Determine the number n of electrons that were transferred from the glass rod to the silk. Round the answer to a positive integer. Consider the elementary charge to be e = 1.602∙10^-19C.

Physics for Scientists and Engineers, Technology Update (No access codes included)
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Author:Raymond A. Serway, John W. Jewett
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Chapter23: Electric Fields
Section: Chapter Questions
Problem 23.2P: (a) Calculate the number of electrons in a small, electrically neutral silver pin that has a mass of...
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In frictional electrification, when two different, electrically neutral objects are rubbed together, electrons are transferred from one object to another, making them electrically charged. Consider that in an experiment a group rubbed a glass rod on a piece of silk, with a quantity of electrons being transferred from the glass to the piece of silk. The glass became positively charged, with an electrical charge of 1.39∙10-17 C. Determine the number n of electrons that were transferred from the glass rod to the silk. Round the answer to a positive integer. Consider the elementary charge to be e = 1.602∙10^-19C.

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