Electrocinetique Flashcards

1
Q

Pont diviseur de tension - courant

A

Cf cours si pas connue p146

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2
Q

Th Millman

A

P150

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3
Q

Ec du condensateur

A

Ec=(1/2)Cu^2

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4
Q

Charge d’une des armature du condensateur

A

q=+|-Cu

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5
Q

La tension au bornes d’un condensateur est tjr continue

A

Vrai

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6
Q

L’intensité du courant au borne d’une bobine est continue

A

Vrai

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7
Q

Énergie d’une bobine

A

E=(1/2)Li^2

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8
Q

To pour un circuit RL et RC (ie premier ordre)

A
To = RC
To = L/R
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9
Q

Solution eq diff premier ordre (le graphe rpz le régime transitoire et atteint l’échelon de tension au bout du temps To)

A

x(t)=Aexp(-t/to)

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10
Q

Circuit RLC Série : wo et Q ?

A

Wo = 1/sqrt(LC)

Q=(1/R)*(sqrt(L/C))

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11
Q

Valeur de Q pour le régime pseudo-périodique - critique - apériodique

A

Pseudo périodique : Q>1/2

Apériodique : Q

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12
Q

Relation
i
q
t

A

dq
i=_____
dt

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