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If you have charged an electroscope by contact with a positively charged object

College Physics for AP® Courses | 1st Edition | ISBN: 9781938168932 | Authors: Gregg Wolfe, Irina Lyublinskaya, Douglas Ingram ISBN: 9781938168932 372

Solution for problem 4 Chapter 18

College Physics for AP® Courses | 1st Edition

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College Physics for AP® Courses | 1st Edition | ISBN: 9781938168932 | Authors: Gregg Wolfe, Irina Lyublinskaya, Douglas Ingram

College Physics for AP® Courses | 1st Edition

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Problem 4

If you have charged an electroscope by contact with a positively charged object, describe how you could use it to determine the charge of other objects. Specifically, what would the leaves of the electroscope do if other charged objects were brought near its knob?

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Chapter 6 Core concept Electric and magnetic fields interact and can produce forces 1. Electric charge (q) unit: coulomb (c)- see slide 2 The kind of charge- positive-proton Negative-electron  Unit of charge= coulomb o Equivalent to charge of 6.24x10^18 o Metric unit of charge  Electron charge o Fundamental charge o Smallest seen in nature o Quantity of charge and the number of electrons An electron charge can be produced by: friction, contact, induction/polarization Slide 3:  Charges in matter  Inseparable property of certain particles  Electrons: negative electric charge  Protons: positive electric charge  Charge interaction  Electric force  “like charges repel; unlike charges attract”  Ions: non- zero net charge from loss/gain of electrons Slide 11: Coulumb’s law  Relationship giving force between two charges  Similar to Newton’s law of gravitation  K versus G implies gravity weaker Equation 6.2 Charge interaction: like charges repel, unlike attracts [6.1] Quality of charge= (# of electrons) (electron charge) q=ne e= 1.6x10^-19 C Example: 1c = n(1.6x10^-19 C) 1.6x10^-19c 1.6x10^-19c n= 1 1.6x10^-19 n=6.24x10^18 I-clicker questions 1. In an experiment in the late 1800’s, J.J. Thomson discovered that all matter contained negatively charged particles.

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Chapter 18, Problem 4 is Solved
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Textbook: College Physics for AP® Courses
Edition: 1
Author: Gregg Wolfe, Irina Lyublinskaya, Douglas Ingram
ISBN: 9781938168932

College Physics for AP® Courses was written by and is associated to the ISBN: 9781938168932. The full step-by-step solution to problem: 4 from chapter: 18 was answered by , our top Physics solution expert on 03/09/18, 08:07PM. This textbook survival guide was created for the textbook: College Physics for AP® Courses, edition: 1. Since the solution to 4 from 18 chapter was answered, more than 249 students have viewed the full step-by-step answer. This full solution covers the following key subjects: . This expansive textbook survival guide covers 34 chapters, and 2282 solutions. The answer to “If you have charged an electroscope by contact with a positively charged object, describe how you could use it to determine the charge of other objects. Specifically, what would the leaves of the electroscope do if other charged objects were brought near its knob?” is broken down into a number of easy to follow steps, and 44 words.

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If you have charged an electroscope by contact with a positively charged object