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Introductory Physics Homework Help
Estimates of voltage drop with distance in weak electric field
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[QUOTE="haruspex, post: 6825978, member: 334404"] Looks to me that you have estimated the voltages according to an inverse cube law. If so, you are confusing potential and field strength. Since the interpole distance is relatively large, don't use the usual dipole approximation. Just derive it from first principles. At distance x>d/2 from the dipole's centre, what is the potential due to each pole? What is the net potential? [/QUOTE]
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Estimates of voltage drop with distance in weak electric field
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