Unitates derivate del SI

De Wikipedia, le encyclopedia libere

Version actual (non revidite)

Le unitates derivate del SI es un parte del Systema International de Unitates (SI) e es derivate del septe unitates de base del SI.

Le tabella sequente monstra solmente le unitates derivate que ha nomines e symbolos special.

Magnitudo	Nomine del unitate	Symbolo pro le unitate	Expression in terminos de altere unitates	Expression in terminos del unitates de base del SI
frequentia	hertz	Hz	$s - 1$
fortia	newton	N	$\mbox{kg} \cdot \mbox{m} \cdot \mbox{s}^{-2}$
pression	pascal	Pa	$\mbox{N} \cdot \mbox{m}^{-2}$	$= \mbox{kg} \cdot \mbox{m}^{-1} \cdot \mbox{s}^{-2}$
energia, travalio, quantitate de calor	joule	J	$\mbox{N} \cdot \mbox{m}$	$= \mbox{kg} \cdot \mbox{m}^2 \cdot \mbox{s}^{-2}$
potentia, fluxo energetic	watt	W	$\mbox{J} \cdot \mbox{s}^{-1}$	$= \mbox{kg} \cdot \mbox{m}^2 \cdot \mbox{s}^{-3}$
carga electric	coulomb	C	$\mbox{A} \cdot \mbox{s}$
differentia de potential electric, fortia electromotive	volt	V	$\mbox{J} \cdot \mbox{C}^{-1}$	$= \mbox{m}^2 \cdot \mbox{kg} \cdot \mbox{s}^{-3} \cdot \mbox{A}^{-1}$
resistentia electric	ohm	$Ω$	$\mbox{V} \cdot \mbox{A}^{-1}$	$= \mbox{m}^2 \cdot \mbox{kg} \cdot \mbox{s}^{-3} \cdot \mbox{A}^{-2}$
conductantia electric	siemens	S	$\mbox{A} \cdot \mbox{V}^{-1}$	$= \mbox{s}^3 \cdot \mbox{A}^2 \cdot \mbox{m}^{-2} \cdot \mbox{kg}^{-1}$
capacitate electric	farad	F	$\mbox{C} \cdot \mbox{V}^{-1}$	$= \mbox{s}^4 \cdot \mbox{A}^2 \cdot \mbox{m}^{-2} \cdot \mbox{kg}^{-1}$
induction magnetic	tesla	T	$\mbox{V} \cdot \mbox{s} \cdot \mbox{m}^{-2}$	$= \mbox{kg} \cdot \mbox{s}^{-2} \cdot \mbox{A}^{-1}$
fluxo de induction magnetic	weber	Wb	$\mbox{V}\cdot\mbox{s}$	$= \mbox{m}^2 \cdot \mbox{kg} \cdot \mbox{s}^{-2} \cdot \mbox{A}^{-1}$
inductantia	henry	H	$\mbox{V} \mbox{s} \cdot \mbox{A}^{-1}$	$= \mbox{m}^2 \cdot \mbox{kg} \cdot \mbox{s}^{-2} \cdot \mbox{A}^{-2}$
temperatura Celsius	grado Celsius	°C	K
angulo plan	radian	rad	1	$= \mbox{m} \cdot \mbox{m}^{-1}$
angulo solide	steradian	sr	1	$= \mbox{m}^{2} \cdot \mbox{m}^{-2}$
fluxo luminose	lumen	lm	$\mbox{cd} \cdot \mbox{sr}$
illuminantia	lux	lx	$\mbox{cd} \cdot \mbox{sr} \cdot \mbox{m}^{-2}$
activitate (de un radionucleido)	becquerel	Bq	$s - 1$
dose absorbite de radiation	gray	Gy	$\mbox{J} \cdot \mbox{kg}^{-1}$	$= \mbox{m}^2 \cdot \mbox{s}^{-2}$
dose equivalente	sievert	Sv	$\mbox{J} \cdot \mbox{kg}^{-1}$	$= \mbox{m}^2 \cdot \mbox{s}^{-2}$
activitate catalytic	katal	kat	$\mbox{mol} \cdot \mbox{s}^{-1}$