Answered: A uniformly charged insulating rod of…

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 9OQ: Two solid spheres, both of radius 5 cm, carry identical total charges of 2 C. Sphere A is a good...

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A uniformly charged insulating rod of length 18.0 cm is bent into the shape of a semicircle as shown in the figure below. The rod has a total charge of −7.50 µC.

A rectangular rod is bent into the shape of the left half of a circle centered about a point O.

(a)

Find the magnitude of the electric field (in N/C) at O, the center of the semicircle.

N/C

(b)

Find the direction of the electric field at O, the center of the semicircle.

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(c)

What if? What would be the magnitude of the electric field (in N/C) at O if the top half of the semicircle carried a total charge of −7.50 µC and the bottom half, insulated from the top half, carried a total charge of +7.50 µC?

N/C

(d)

What would be the direction of the electric field at O if the top half of the semicircle carried a total charge of −7.50 µC and the bottom half, insulated from the top half, carried a total charge of +7.50 µC?

to the leftto the right upwarddownwardinto the pageout of the page

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