An electric dipole at the origin consists of two charges ±q spaced distance s apart along the
Question:
a. Find an expression for the potential V(x, y) at an arbitrary point in the xy-plane. Your answer will be in terms of q, s, x, and y.
b. Use the binomial approximation to simplify your result of part a when s << x and s << y.
c. Assuming s << x and y, find expressions for Exand Ey, the components of E for a dipole.
d. What is the on-axis field E? Does your result agree with Equation 23.10?
e. What is the field E on the bisecting axis? Does your result agree with Equation 23.11?
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Related Book For
Physics for Scientists and Engineers A Strategic Approach with Modern Physics
ISBN: 978-0133942651
4th edition
Authors: Randall D. Knight
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