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.
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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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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