4.5. The figure to the right shows three charge dis- tributions. In A, a particle carrying a charge +q is located a distance R from the origin. In B, +q charge is spread uniformly over a semi- circle of radius R centered at the origin. In C, +q charge is spread uniformly over a circle of radius R centered at the origin. distribution A distribution B distribution C y R +9 +9 R R x x (a) Rank these distributions in terms of the electric field magnitude at the origin, smallest first. (b) Rank these distributions in terms of the electrostatic potential at the origin, smallest first. (c) Using infinity as the location where the electrostatic potential is zero, write an expression for the electrostatic potential at the origin in distribution B.
4.5. The figure to the right shows three charge dis- tributions. In A, a particle carrying a charge +q is located a distance R from the origin. In B, +q charge is spread uniformly over a semi- circle of radius R centered at the origin. In C, +q charge is spread uniformly over a circle of radius R centered at the origin. distribution A distribution B distribution C y R +9 +9 R R x x (a) Rank these distributions in terms of the electric field magnitude at the origin, smallest first. (b) Rank these distributions in terms of the electrostatic potential at the origin, smallest first. (c) Using infinity as the location where the electrostatic potential is zero, write an expression for the electrostatic potential at the origin in distribution B.
Chapter5: Electric Charges And Fields
Section: Chapter Questions
Problem 52P: Suppose Earth and the Moon each carried a net negative charge Q . Approximate both bodies as point...
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Transcribed Image Text:4.5. The figure to the right shows three charge dis-
tributions. In A, a particle carrying a charge
+q is located a distance R from the origin. In
B, +q charge is spread uniformly over a semi-
circle of radius R centered at the origin. In C,
+q charge is spread uniformly over a circle of
radius R centered at the origin.
distribution A
distribution B distribution C
y
R
+9
+9
R
R
x
x
(a) Rank these distributions in terms of the electric field magnitude at the origin, smallest
first.
(b) Rank these distributions in terms of the electrostatic potential at the origin, smallest
first.
(c) Using infinity as the location where the electrostatic potential is zero, write an expression
for the electrostatic potential at the origin in distribution B.
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