Electricité - Formules Flashcards

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1
Q

Champ d’une charge ponctuelle

A

E = kq/r^2

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2
Q

Différence de potentiel

A

V = Δv = U/q = E∆s

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3
Q

Capacité

A

C = q/∆v=q/E∆s

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4
Q

Force électrique (selon coulomb)

A

F = kq1q2/r^2

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5
Q

Champ de 2 plaques parallèles de même charge

A

E// = ø/e

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6
Q

Densité de charge linéique

A

Lambda = q/L

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7
Q

Force électrique (selon champ)

A

F = qE

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8
Q

Densité de charge surfacique

A

ø = q/A

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9
Q

Travail

A

W = -F∆scos˚

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10
Q

Électromotance

A

E(Espilon majuscule) = ∆U/∆q

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11
Q

Énergie électrique

A

Ue = kq1q2/r pas à la deux!!

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12
Q

Champ électrique

A

E = -∆v/∆s = F/q

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13
Q

Travail net et équivalences

A

Wnet = -We = ∆U = q∆v

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