College Physics:
11th Edition
ISBN: 9781305965515
Author: SERWAY, Raymond A.
Publisher: Brooks/Cole Pub Co
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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?
The electric field vector is given by E=[0.2, –0.6, 0.3] V/m and Area vector points to A=[–4, 3, -5] m^2. What is the angle between the E-field and Area vector in degrees? Answer with two decimal places.
note: convert answer to milli
A negative charge of -3 µC produces an electric field E = (0, -2.2 x 104, 0) N/C at the
location (-1.5, 2.2,0) m.
What is the location of the negative charge? Your answer must be a vector. It might be helpful
to draw a diagram.
Chapter 15 Solutions
College Physics:
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(a)...Ch. 15 - Three equal positive charges are at the corners of...Ch. 15 - Refer 10 Figure 15.20. 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