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Questions and Answers
In the SI system of units, what is the value of the elementary charge?
In the SI system of units, what is the value of the elementary charge?
Who first directly measured the magnitude of the elementary charge?
Who first directly measured the magnitude of the elementary charge?
Who promoted the use of elementary charge as a unit in natural unit systems?
Who promoted the use of elementary charge as a unit in natural unit systems?
What is the corresponding quantity of elementary charge in the CGS system of units?
What is the corresponding quantity of elementary charge in the CGS system of units?
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Who indirectly inferred the elementary charge from blackbody spectra?
Who indirectly inferred the elementary charge from blackbody spectra?
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Study Notes
Elementary Charge
- The elementary charge is a fundamental constant in the SI system of units.
- The value of the elementary charge is 1.60217662 × 10^-19 C (Coulombs).
- Robert Millikan directly measured the magnitude of the elementary charge.
- Stoney promoted the use of elementary charge as a unit in natural unit systems.
Elementary Charge in CGS System
- The corresponding quantity of elementary charge in the CGS (Centi-Gram-Second) system of units is 4.80320471 × 10^-10 esu (electrostatic units).
Indirect Inference
- Max Planck indirectly inferred the elementary charge from blackbody spectra.
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Description
Test your knowledge about the fundamental physical constant of the elementary charge. This quiz covers its definition, value in SI units, and related concepts.
