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Back to 18.1 Static Electricity and Charge: Conservation of Charge

18.1 Exercise 9

Avg difficulty 2.5

Suppose an object has a charge of 1 C and gains 6.88×1018 electrons.

  1. What will be the net charge of the object?
  2. If the object has gained electrons from a neutral object, what will be the charge on the neutral object?
  3. Find and explain the relationship between the total charges of the two objects before and after the transfer.
  4. When a third object is brought in contact with the first object (after it gains the electrons), the resulting charge on the third object is 0.4 C. What was its initial charge?

OpenStax College Physics 2e, 18.1 Static Electricity and Charge: Conservation of Charge, exercise 9

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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.