Ohm

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Om (symvol: Ω ) — Xalqaro birliklar tizimi SIdagi elektr karshilik birligi. Om (Ω) bilan belgilanadi. Oʻtkazgichdan oʻtayotgan oʻzgarmas tok kuchi 1 amper va uning uchlaridagi kuchlanish 1 Volt boʻlganda uning qarshiligi 1 Om ga teng boʻla-di, yaʼni 1 Om=V/A. G. S. Om sharafiga qoʻyilgan.




Ω
=



V
A



=



1
S



=



W


A


2





=





V


2


W



=



s
F



=



H
s



=





J


⋅


s




C


2





=





kg


⋅



m


2





s


⋅



C


2






=



J


s


⋅



A


2






=





kg


⋅



m


2






s


3



⋅



A


2








{\displaystyle \Omega ={\dfrac {\text{V}}{\text{A}}}={\dfrac {1}{\text{S}}}={\dfrac {\text{W}}{{\text{A}}^{2}}}={\dfrac {{\text{V}}^{2}}{\text{W}}}={\dfrac {\text{s}}{\text{F}}}={\dfrac {\text{H}}{\text{s}}}={\dfrac {{\text{J}}{\cdot }{\text{s}}}{{\text{C}}^{2}}}={\dfrac {{\text{kg}}{\cdot }{\text{m}}^{2}}{{\text{s}}{\cdot }{\text{C}}^{2}}}={\dfrac {\text{J}}{{\text{s}}{\cdot }{\text{A}}^{2}}}={\dfrac {{\text{kg}}{\cdot }{\text{m}}^{2}}{{\text{s}}^{3}{\cdot }{\text{A}}^{2}}}}

Manbalar

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