(a) Find the electric field (magnitude and direction) a distance z above the midpoint between two equal...

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(a) Find the electric field (magnitude and direction) a distance z above the midpoint between two equal charges, q, a distance d apart (Fig. 2.4). Check that your result is consistent with what you'd expect when z >> d.

(b) Repeat part (a), only this time make the right-hand charge â€“ q instead of+q.

9 d/2 d/2 q

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Introduction to Electrodynamics

ISBN: 978-8120316010

3rd Edition

Authors: David J. Griffiths

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Question Posted: Nov 25, 2010 06:53 AM

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(a) Find the electric field (magnitude and direction) a distance z above the midpoint between two equal...

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9 d/2 d/2 q

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a Horizontal components cancel Net vertical field is E 12 co...View the full answer

Introduction to Electrodynamics

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