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21.33 • A very long line +8.00 µC/m is on the x-axis and its midpoint is at x =0. A second very long line of charge with charge per length –4.00 µC/m is parallel to the x-axis at y = 10.0 cm and its midpoint is also at x =0. At what point on the y-axis is the resultant electric field of the two lines of charge equal to zero? charge with charge per unit length 21.49 • A ring-shaped conductor with radius a = 2.50 cm has a total positive charge Q = +0.125 nC uniformly distributed around it (see Fig. 21.23). The center of the ring is at the origin of coordinates O. (a) What is the electric field (magnitude and direction) at point P, which is on the x-axis at x = 40.0 cm? (b) A point charge q = -2.50 µC is placed at P. What are the magnitude and direction of the force exerted by the charge q on the ring?

21.33 • A very long line +8.00 µC/m is on the x-axis and its midpoint is at x =0. A second very long line of charge with charge per length –4.00 µC/m is parallel to the x-axis at y = 10.0 cm and its midpoint is also at x =0. At what point on the y-axis is the resultant electric field of the two lines of charge equal to zero? charge with charge per unit length 21.49 • A ring-shaped conductor with radius a = 2.50 cm has a total positive charge Q = +0.125 nC uniformly distributed around it (see Fig. 21.23). The center of the ring is at the origin of coordinates O. (a) What is the electric field (magnitude and direction) at point P, which is on the x-axis at x = 40.0 cm? (b) A point charge q = -2.50 µC is placed at P. What are the magnitude and direction of the force exerted by the charge q on the ring?

Principles of Physics: A Calculus-Based Text
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter19: Electric Forces And Electric Fields
Section: Chapter Questions
Problem 75P: A solid, insulating sphere of radius a has a uniform charge density throughout its volume and a...
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21.33 •• A very long line of charge with charge per unit length +8.00 µC/m is on the x-axis and its midpoint is at x =0. A second very long line of charge with charge per length –4.00 µC/m is parallel to the x-axis at y = 10.0 cm and its midpoint is also at x = 0. At what point on the y-axis is the resultant electric field of the two lines of charge equal to zero? 21.49 • A ring-shaped conductor with radius a = 2.50 cm has a total positive charge Q = +0.125 nC uniformly distributed around it (see Fig. 21.23). The center of the ring is at the origin of coordinates O. (a) What is the electric field (magnitude and direction) at point P, which is on the x-axis at x = 40.0 cm? (b) A point charge q = -2.50 µC is placed at P. What are the magnitude and direction of the force exerted by the charge q on the ring? t
Transcribed Image Text:21.33 •• A very long line of charge with charge per unit length +8.00 µC/m is on the x-axis and its midpoint is at x =0. A second very long line of charge with charge per length –4.00 µC/m is parallel to the x-axis at y = 10.0 cm and its midpoint is also at x = 0. At what point on the y-axis is the resultant electric field of the two lines of charge equal to zero? 21.49 • A ring-shaped conductor with radius a = 2.50 cm has a total positive charge Q = +0.125 nC uniformly distributed around it (see Fig. 21.23). The center of the ring is at the origin of coordinates O. (a) What is the electric field (magnitude and direction) at point P, which is on the x-axis at x = 40.0 cm? (b) A point charge q = -2.50 µC is placed at P. What are the magnitude and direction of the force exerted by the charge q on the ring? t
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