College Physics
10th Edition
ISBN: 9781285737027
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Chapter 15.4, Problem 15.6QQ
Rank the magnitudes of the electric field at points A, B, and C in Figure 15.15, with the largest magnitude first.
(a) A, B, C (b) A, C, B (c) C, A, B (d) The answer can’t be determined by visual inspection.
Figure 15.15 The electric field lines for two positive point charges. The points A, B, and C are discussed in Quick Quiz 15.6.
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Question 1(A)
Three point charges are placed at the corners of an equilateral triangle as shown in the figure on your assignment sheet. (a) Find the total electric field strength due to the charges -2 μC and +4 μC at the origin. Give your answer in scientific notation and correct to two decimal places. Your units should be N/C.
(B)
Three point charges are placed at the corners of an equilateral triangle as shown below. (b) What is the magnitude of the force on the -3 μC charge? Give your answer rounded to the nearest whole number and in units of N.
(C)
Three point charges are placed at the corners of an equilateral triangle as shown in your assignment sheet. (c) If the sign of the charge at the origin is changed, how is the field strength calculated in part (a) affected?
Chapter 15 Solutions
College Physics
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