A dipole consists of two equal and opposite point charges (± q) separated by a distance d.

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A dipole consists of two equal and opposite point charges (± q) separated by a distance d.
A dipole consists of two equal and opposite point charges

(a) Write an expression for the magnitude of the electric field at a point (x, 0) a large distance (x >> d) from the midpoint of the charges on a line perpendicular to the dipole axis.
(b) Give the direction of the field for x > 0 and for x

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Physics

ISBN: 978-0077339685

2nd edition

Authors: Alan Giambattista, Betty Richardson, Robert Richardson

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