Glencoe Physics: Principles and Problems, Student Edition
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN: 9780078807213
Author: Paul W. Zitzewitz
Publisher: Glencoe/McGraw-Hill
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Chapter 26, Problem 31A
To determine

The mass and the charge of an electron.

Expert Solution & Answer
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Answer to Problem 31A

The mass and the charge of an electron are 9.11×1031kg and 1.60×1019C respectively.

Explanation of Solution

Introduction:

An electron is a subatomic particle and is usually denoted as e . Its polarity is negative. This has other inherited properties, such as mass, charge. Its mass is very small and couldn’t even be measured easily. J.J Thomson found the mass of an electron through correct laboratory set-up.

The mass of an electron is expressed in kilograms (kg) and the charge is expressed in Coulombs (C). The exact mass of an electron is 9.10938×1031kg but approximate value is taken and the value is written as 9.11×1031kg .

The charge of an electron is denoted by e and its value is 1.60×1019C .

Conclusion:

Hence,the mass and the charge of an electron are 9.1×1031kg and 1.6×1019C respectively.

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Chapter 26 Solutions

Glencoe Physics: Principles and Problems, Student Edition

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