|
| |
|
|
A081799
|
|
Decimal expansion of the electric permittivity of vacuum in SI units as defined before 20 May 2019.
|
|
14
|
|
|
|
8, 8, 5, 4, 1, 8, 7, 8, 1, 7, 6, 2, 0, 3, 8, 9, 8, 5, 0, 5, 3, 6, 5, 6, 3, 0, 3, 1, 7, 1, 0, 7, 5, 0, 2, 6, 0, 6, 0, 8, 3, 7, 0, 1, 6, 6, 5, 9, 9, 4, 4, 9, 8, 0, 8, 1, 0, 2, 4, 1, 7, 1, 5, 2, 4, 0, 5, 3, 9, 5, 0, 9, 5, 4, 5, 9, 9, 8, 2, 1, 1, 4, 2, 8, 5, 2, 8, 9, 1, 6, 0, 7, 1, 8, 2, 0, 0, 8, 9, 3, 2, 8, 6, 7
(list;
constant;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
-11,1
|
|
|
COMMENTS
|
Denoted epsilon_0, this is a function of assigned metrological constants. Regarding these, see A003678 for general context notes, references and links. - Stanislav Sykora, Jun 16 2012
Also called electric constant. - Omar E. Pol, Oct 17 2013
|
|
|
LINKS
|
Table of n, a(n) for n=-11..92.
NIST, electric constant epsilon_0.
|
|
|
FORMULA
|
Equals 10^6/(A019694*A003678^2). - R. J. Mathar, May 05 2006; corrected by Arkadiusz Wesolowski, Feb 03 2017
Explicitely: 1/([magnetic_permeability of vacuum]*[speed_of_light in vacuum]^2). - Stanislav Sykora, Jun 16 2012
Also 625000/(22468879468420441*Pi). - Omar E. Pol, Oct 17 2013
|
|
|
EXAMPLE
|
8.854187817...*10^-12 F m^-1.
|
|
|
MAPLE
|
Digits := 105 : A003678 := 2.99792458e8 : A019694 := 4*Pi*1.0e-7 ; evalf(1/A019694/A003678^2) ; # R. J. Mathar, May 05 2006
|
|
|
CROSSREFS
|
Other assigned constants: A003678, A182999, A019694, A213610, A072915, A213611, A213612, A213613, A213614.
Sequence in context: A021117 A335414 A305208 * A154186 A030171 A153619
Adjacent sequences: A081796 A081797 A081798 * A081800 A081801 A081802
|
|
|
KEYWORD
|
cons,nonn
|
|
|
AUTHOR
|
Benoit Cloitre, Apr 10 2003
|
|
|
EXTENSIONS
|
More terms from R. J. Mathar, May 05 2006
Description updated by Ivan Panchenko, May 22 2019
|
|
|
STATUS
|
approved
|
| |
|
|
