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18.2 Exercise 17

Avg difficulty 2.5

Suppose a speck of dust in an electrostatic precipitator has 1.0000×10121 . \text{0000} \times \text{10}^{\text{12}} protons in it and has a net charge of –5.00 nC (a very large charge for a small speck). How many electrons does it have?

OpenStax College Physics 2e, 18.2 Conductors and Insulators, exercise 17

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.