Siemens (unit)

format_list_bulleted Contenido keyboard_arrow_down

ImprimirCitar

The siemens (symbol: S) is the unit derived from the SI for the measurement of electrical conductance, which is represented with the symbol G. It is not clear if the unit receives the name in recognition of Werner von Siemens or his brother Carl Wilhelm Siemens, both with outstanding contributions in the area of electrical engineering. Its inverse is the electrical resistance, which is represented by the letter R and whose unit is the ohm.

${displaystyle G={frac {1}{R}}}{frac {I}{V}}}}}$

Where I is the electric intensity or electric current, and V is the voltage (voltage or electrical potential difference).

{cHFFFFFF}{cH00FFFF}{cHFFFFFF}{cHFFFFFF}{cH00FFFF}{cH00FFFF00}{cH00FFFF00}{cHFFFFFFFF}{cHFFFFFF}{cH00}{cHFFFFFF}{cH00}{cH00}{cHFFFFFFFFFFFFFFFFFFFF00}{cH00}{cH00}{cHFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00}{cH00}{cH00}{cH00}{cH00}{cH00}{cH00}{cHFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00}{cH00}{cH00}{cH00}{cH00}{c}{cH00}{cH00} !

Previous names

This unit was also called mho (because it is the inverse unit of the ohm), because conductance is the inverse of resistance, but this name is not in the current standards. It was represented by a capital Latin epsilon (Ʊ)—an inverted capital omega letter (℧).

Conductance versus resistance.

In the above drawing you are representing that electrical conductance is inversely proportional to electrical resistance, but with the old notation.

Multiples of the SI

The following is a table of the multiples and submultiples of the International System of Units.

Multiple International System for Siemens (S)
Value	Symbol	Name	Value	Symbol	Name
Submultiplos			Multiple
10⁻¹ S	dS	decisions	10¹ S	daS	decay
10⁻² S	cS	centisiemens	10² S	hS	hectosiemens
10⁻³ S	mS	milisiemens	10³ S	kS	kilosiemen
10⁻⁶ S	μS	microsiemens	10⁶ S	MS	megames
10⁻⁹ S	nS	nanosiemens	10⁹ S	GS	gigasiemens
10⁻¹² S	pS	peaks	10¹² S	TS	terasiemens
10⁻¹⁵ S	fS	femtosiemens	10¹⁵ S	PS	petasiemens
10⁻¹⁸ S	aS	Attosiemens	10¹⁸ S	IT	exasiemens
10⁻²¹ S	zS	zeptosiemens	10²¹ S	ZS	zettasiemens
10⁻²⁴ S	yS	yoctosiemens	10²⁴ S	YS	yottasiemens
10⁻²⁷ S	rS	rontosiemens	10²⁷ S	RS	ronnasiemen
10⁻³⁰ S	qS	quectosiemens	10³⁰ S	QS	quettasiemens
Common units are in bold.

This unity of the International System is named in honor of Werner von Siemens. In the units of the SI whose name comes from a person's own name, the first letter of the symbol is written with capital (S), while his name always starts with a tiny letter (siemens), except in case you start a sentence or a title.
Based on The International System of UnitsSection 5.2.

Contenido relacionado

Más resultados...