Physics (10th Edition)

Published by Wiley
ISBN 10: 1118486897
ISBN 13: 978-1-11848-689-4

Chapter 18 - Electric Forces and Electric Fields - Check Your Understanding - Page 484: 2

Answer

Charge on object A = $+3204.2\times 10^{-16}\text{ Coulomb}\approx+3.2 \times 10^{-13} \text{ Coulomb}$ Charge on object B = $-3204.2\times 10^{-16}\text{ Coulomb}\approx-3.2 \times 10^{-13} \text{ Coulomb}$

Work Step by Step

1 million = $10^6$ 2 million electrons are removed from object A and placed on object B. Charge of 2 million electron = $2\times 10^6\times $ charge on one electron Charge of 2 million electron = $2\times 10^6\times 1.6021\times 10^{-19}\text{ Coulomb}$ Charge of 2 million electron = $3204.2\times 10^{-16} \text{ Coulomb}$ Since electrons are removed from object A. Therefore object A will get net positive charge on it and since charges placed on object B it will get net negative charge. Charge on object A = $+3204.2\times 10^{-16}\text{ Coulomb}\approx+3.2 \times 10^{-13} \text{ Coulomb}$ Charge on object B = $-3204.2\times 10^{-16}\text{ Coulomb}\approx-3.2 \times 10^{-13} \text{ Coulomb}$
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