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    Electric field of point charge

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    At a distance r1 from a point charge, the magnitude of the electric field created by the charge is 248 N/C. At a distance r2 from the charge, the field has a magnitude of 132 N/C. What is the ratio r2/r1?

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    https://brainmass.com/physics/coulombs-law/electric-field-point-charge-115211

    Solution Summary

    The solution shows detailed calculation of the electric field by a point charge using Coulomb's law.

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