Electrocinétique Flashcards

1
Q

resistance d’un fil

A

R = p L/S

p = resistivité du fil

L = longueur du fil

S = section du fil

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2
Q

Thévenin / Norton

A

Uth = In x R

irth <> irN

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3
Q

Pont de Wheatstone

A

1 : on recherche Req entre D et B

2 : On recherche Eeq entre D et B en décomposant par C ou A

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4
Q

Puissance en Electronique

A

P = U x I

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5
Q

Energie d’une Bobine

A

E = Li2/2

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6
Q

Energie d’une capacité

A

E = C U2/2

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