Search results

...lthough they are typically expressed in the [[per-unit system]] and thus [[dimensionless]]. Since for practically all (except for the tiniest) machines the resistan ...

...the fundamental physical constants: 2006 |url=http://physics.nist.gov/cuu/Constants/RevModPhys_80_000633acc.pdf |journal =Rev Mod Phys |pages=633–729 |volume=8 ...</sub> is provided in the 2006 CODATA Report: [http://physics.nist.gov/cuu/Constants/codata.pdf CODATA report, pp. 6–7]</ref> ...

| Dimensionless ...ction force]] ''R'' at a point of contact between two interfaces through a dimensionless coefficient of friction ''μ''_f, which depends on the pair of mat ...

...is the called the [[International System of Units|SI]], which defines two constants, the [[vacuum permittivity]] ({{math|''ε''{{sub|0}}}}) and the [[vacuum per ...us, linear, isotropic, and nondispersive, so that the susceptibilities are constants. ...

...um]], it is common to use the dimensionless ''m''/''z'', which denotes the dimensionless quantity formed by dividing the mass number of the ion by its charge number ...[[charge number]] of the [[ion]]; however, the quantity of ''m''/''z'' is dimensionless by definition.<ref name="IUPAC" /> An ion with a mass of 100 Da (daltons) ( ...

...constant greater than 1 are said to be "strongly coupled" while those with constants less than 1 are said to be "weakly coupled."<ref>{{Cite book|title=Elementa ...

...>T_c</math> is the critical temperature, and <math>a,b</math> are material constants. where <math>\epsilon=\frac{T-T_c}{T_c}</math> is a dimensionless measure of the temperature. ...

Magnetic susceptibility is a dimensionless proportionality constant that indicates the degree of magnetization of a ma ...national System of Units]]&nbsp;– in other systems there may be additional constants – by the following relationship:<ref>{{cite book|last1=O'Handley|first1=Rob ...

...ngth]] or [[flux density]]. The propagation constant itself measures the [[dimensionless]] change in magnitude or phase [[per unit length]]. In the context of [[Two ...more, there are some frequency dependent effects operating on the primary "constants" which cause a frequency dependence of the loss. There are two main compon ...

...erials is [[magnetic susceptibility]], which is a [[Dimensionless quantity|dimensionless]] proportionality factor that indicates the degree of magnetization of a ma The number ''χ''_m is a [[dimensionless quantity]], sometimes called ''volumetric'' or ''bulk'' susceptibility, to ...

{{Short description|Dimensionless number that quantifies the strength of the electromagnetic interaction}} ...monly denoted by {{mvar|α}} (the [[Alpha|Greek letter ''alpha'']]), is a [[Dimensionless physical constant|fundamental physical constant]] which quantifies the stre ...

...m·s²). The elements of the strain tensor {{math|'''ε'''}} are [[dimensionless]] (displacements divided by distances). Therefore, the entries of {{mvar|c< === Relaxed force constants (generalized compliance constants) === ...

...vitation.jpg|thumb|[[Pyrolytic carbon]] has one of the largest diamagnetic constants{{clarify|date=June 2023}} of any room temperature material. Here a pyrolyt ...susceptibility values of various molecular fragments are called [[Pascal's constants]] (named after {{ill|Paul Pascal (physicist)|fr|Paul Pascal|lt=Paul Pascal} ...

...it explains why the universe has the [[age of the universe|age]] and the [[dimensionless physical constant|fundamental physical constant]]s necessary to accommodate ...it must be possible to observe ''some'' universe, and hence, the laws and constants of any such universe must accommodate that possibility. ...

...ne|''y''}}(''λ''), also known as ''V''(''λ''), is the luminosity function, dimensionless; ...eral_physics/2_5/2_5_3.html|title=Kay & Laby;tables of physical & chemical constants;General physics;SubSection: 2.5.3 Photometry|publisher=National Physical La ...

...fficacy can be normalized by the maximum possible luminous efficacy to a [[dimensionless]] quantity called '''luminous efficiency'''. The distinction between ''effi ...r the spectral response curve (the luminosity function). When expressed in dimensionless form (for example, as a fraction of the maximum possible luminous efficacy) ...

...ns.<ref>{{cite web |publisher=NIST |title=CODATA values of the fundamental constants |url=http://physics.nist.gov/cgi-bin/cuu/Value?muemsmunn |access-date=May 8 ...imes expressed in terms of its [[g-factor (physics)|{{mvar|g}}-factor]], a dimensionless scalar. The convention defining the {{mvar|g}}-factor for composite particl ...

...susceptibility|volume magnetic susceptibility]] ([[Dimensionless quantity|dimensionless]]), ...follows a Curie type law but with exceptionally large values for the Curie constants. These materials are known as [[superparamagnetism|superparamagnets]]. They ...

This dimensionless quantity is also often and ambiguously referred to as the ''permittivity''. ...ysics.nist.gov/cuu/Constants/index.html |title=Latest (2018) values of the constants (NIST) |publisher=Physics.nist.gov |date=2019-05-20 |access-date=2022-02-05 ...

...rical load|load]] to the apparent power flowing in the circuit, and is a [[dimensionless number]] in the [[closed interval]] of −1 to 1. A, B, C, D are the constants also known as the transmission parameters or chain parameters. These parame ...