This list of electrical constants represent the most common values used in engineering, physics, and
chemistry.
If you know of others that should be added, please send me an
e-mail.
Visit NIST for all
constants, units, and uncertainties. This is their
Extensive Listing of constants.
Here is a list of electrical units.
Boltzmann |
k |
8.617 343 x 10-5 eV (molecule·K) 1.380 650 5 x 10-23 J/K |
Charge Density† |
|
1.081 202 317 x 1012 C/m3 |
Conductance Quantum |
G0 |
7.748 091 733 x 10-5 S |
Current† |
|
6.623 617 82 x 10-3 Ω |
Electron Charge/Mass Ratio |
e/me |
1.758 820 12 x 1011 C/kg |
Electric Dipole Moment† |
|
8.478 353 09 x 10-30 C·m |
Electric Field† |
|
5.142 206 42 x 1011 V/m |
Electric Field Gradient† |
|
9.717 361 82 x 1021 V/m2 |
Electric Potential† |
|
27.211 384 5 V |
Electric Quadrupole Moment† |
|
4.486 551 24 x 10-40 m2 |
Electron Volt |
eV |
1.602 176 53 x 10-19 J |
Elementary Charge |
e |
1.602 176 53 x 10-19 C |
Impedance of Free Space |
Z0 |
376.730 313 461 (120·π) Ω |
Josephson |
KJ |
2.350 517 42 x 105 T |
Magnetic Flux Quantum |
Φ0 |
2.067 833 72 x 10-15 Wb |
Magnetic Flux Density† |
|
4.486 551 24 x 10-40 C·m2 |
Magnetizability† |
|
7.891 036 60 x 10-29 J/T2 |
Magnetic Flux Dipole Moment† |
|
1.854 801 90 x 10-23 J/T |
Permeability of Free Space |
μ0 |
1.256 637 061 4 x 10-6 H/m (N/A2) |
Permittivity of Free Space |
ε0 |
8.854 187 817 x 10-12 F/m |
Planck * |
h |
4.135 667 43 x 10-15 eV·s 6.626 069 3 x 10-34 J·s |
von Klitzing |
RK |
25 812.807 449 Ω |
* : Reduced
Planck constant, = h/2π† : Atomic Units
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