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Posted by on Sunday, March 13, 2011 at 6:41pm.

3. What is the magnitude of the electric field strength E such that an electron, when placed in the field, would experience an electrical force equal to its weight? What electric field strength E is required if the electron is replaced by a proton

  • physics - , Sunday, March 13, 2011 at 7:07pm

    E=mg/e where e is the charge on an electron

    Proton? reverse the sign, use m as mass of proton.

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