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Fine-Structure Constant Connects Electronic Polarizability and Geometric van-der-Waals Radius of Atoms | The Journal of Physical Chemistry Letters
If charge Q is distributed uniformly along a semicircle of radius A, then what formula gives the correct magnitude of the electric field at the centre of the circle? - Quora
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Homemade Millikan-experiment to Determine the Elementary Charge of an Electron : 6 Steps (with Pictures) - Instructables
An early model for an atom considered it to have a positively charged point nucleus of charge Ze , surrounded by a uniform density of negative charge upto a radius R .
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The Elementary Charge for the Definition and Realization of the Ampere - Jeckelmann - 2019 - Annalen der Physik - Wiley Online Library
![ChuckBaggett Chuck Baggett - Freedom Peace Space on Twitter: "@fermatslibrary e = elementary charge; π = pi; ħ = h/2π = reduced Planck constant; c = light speed in vac; ε0 = ChuckBaggett Chuck Baggett - Freedom Peace Space on Twitter: "@fermatslibrary e = elementary charge; π = pi; ħ = h/2π = reduced Planck constant; c = light speed in vac; ε0 =](https://pbs.twimg.com/media/DS8dp2SUMAANSmn.jpg)