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  1. H

    Electrostatic force, voltage, electrostatic potential

    Hmm, I can't follow. Above, the energy U is not a function of distance x. The force on a probe charge in electrostatics is usually F = q*E = -q*dU/dx with E(x) for the electric field, q for the charge of the test object and U(x) for the ELECTRIC POTENTIAL (same units as VOLTAGE, not energy). I...
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