Consider a negative source charge Q that is uniformly distributed along a semicircle radius R and a test point, A, that is at the center of the circle as shown in the figure below. R A a. Find the electric field magnitude and direction at test point A.

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Consider a negative source charge Q that is uniformly distributed along a semicircle radius R and a test
point, A, that is at the center of the circle as shown in the figure below.
R
A
Q
a. Find the electric field magnitude and direction at test point A.
b. What would the field be if the source were distributed along the complete circle instead of the
semicircle?
Transcribed Image Text:Consider a negative source charge Q that is uniformly distributed along a semicircle radius R and a test point, A, that is at the center of the circle as shown in the figure below. R A Q a. Find the electric field magnitude and direction at test point A. b. What would the field be if the source were distributed along the complete circle instead of the semicircle?
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