formule Flashcards by Ben Clem

Q

rendement

A

n = wu/wa

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Q

puissance

A

p=w/t

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Q

loi des noeud

A

I = I 1 + I 2

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Q

Loi d’ohm

A

U = R i

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Q

Energie electrique absorbé

A

W = U X I X T

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Q

Puissance electrique absorbé

A

P= U x I ou p= u² /R

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Q

Puissance thermique fourni (effet joule)

A

Pth = R x I²

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Q

Energie dissipé par effet joule

A

W = R x I² x t

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