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    The Electric Field At Different Points

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    Two point charges lie on the x axis. A charge of + 6.2 micro C is at the origin, and a charge of -9.5 micro C is at x = 10.0 cm. What is the net electric field at
    (a) x = -4.0 cm and at
    (b) x = +4.0 cm?

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    Solution Preview

    The electric field is given by:

    E = kq/r^2

    To find the net electric field at each point we must sum up the effect of both charges on that point.

    a) x = ...

    Solution Summary

    This solution is comprised of a concise step by step solution of how to calculate the strength of an electric field at different positions relative to two different point charges.