| 1. | With q being the elementary charge and n the electron density.
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| 2. | The elementary charge, measured in terms of the Planck charge, is
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| 3. | This elementary charge is a fundamental physical constant.
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| 4. | The electron is a stable particle possessing one elementary charge and one electron mass.
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| 5. | "The ampere is equivalent to one coulomb ( roughly times the elementary charge ) per second.
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| 6. | In this case, " elementary charge " would be synonymous with the " quantum of charge ".
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| 7. | Na + is a sodium ion with charge number positive one ( an electric charge of one elementary charge ).
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| 8. | The elementary charge is one of the fundamental physical constants, and accurate knowledge of its value is of great importance.
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| 9. | For instance, the accepted value of the unit of elementary charge can properly be expressed as, which is shorthand for
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| 10. | The magnitude of the elementary charge was first measured in Robert A . Millikan's noted oil drop experiment in 1909.
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