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Constante de Coulomb, também chamada de constante eletrostática, ou constante de força elétrica, [ 1] é a constante de proporcionalidade k que aparece na equação da força eletrostática da lei de Coulomb, bem como em outras fórmulas relacionadas à eletricidade. Foi nomeada em homenagem ao físico francês Charles-Augustin de Coulomb ...
Le franklin (de symbole Fr), ou statcoulomb ( statC ), ou encore unité de charge électrostatique ( esu, pour electrostatic unit ), est une unité de charge électrique. Cette unité appartient au système d'unités CGS et ne fait pas partie du système d'unités SI. L'unité du Système international est le coulomb.
The statcoulomb ( statC) or franklin ( Fr) or electrostatic unit of charge ( esu) is the physical unit for electrical charge used in the centimetre-gram-second (cgs) electrostatic system of units. The SI system of units uses the coulomb (C) instead. The conversion is. The conversion factor (≈ 3.33564 Template:E) is equal to 10 divided by the ...
L'statcoloumb mesura la càrrega elèctrica. L' statcoulomb o statcolomb (statC), també conegut amb el nom de franklin (Fr), o unitat electroestàtica de càrrega, és la unitat física de la càrrega elèctrica utilitzada en el sistema d'unitats centímetre-gram-segon ( CGS ). El Sistema Internacional d'Unitats usa el coulomb (C) en el seu lloc.
This is equivalent to 1 debye-ångström, where 1 debye = 10 −18 statcoulomb-centimetre is the CGS unit of molecular dipole moment and 1 ångström = 10 −8 cm. One buckingham corresponds to the quadrupole moment resulting from two opposing dipole moments of equal magnitude of 1 debye that are separated by a distance of 1 ångström, a typical bond length .
2.58 × 10−4 A ⋅ s / kg. The roentgen or röntgen ( / ˈrɛntɡən, - dʒən, ˈrʌnt -/; [2] symbol R) is a legacy unit of measurement for the exposure of X-rays and gamma rays, and is defined as the electric charge freed by such radiation in a specified volume of air divided by the mass of that air ( statcoulomb per kilogram).
1. I've just learned about the statcoulomb, which is basically a way to express charge when we didn't have units of charge (I think), with the definition. 1statC = 1dyne1/2cm =cm3/2g1/2s−1, 1 s t a t C = 1 d y n e 1 / 2 c m = c m 3 / 2 g 1 / 2 s − 1, but I don't understand where this comes from. I've read in various texts, and in all of ...
