Recapitulatif Formules Flashcards

1
Q

Donnez la résistance équivalente (Re) quand R est monté en parallèle ?

A

1/Re= 1/R1 + 1R2 …

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2
Q

Comment doit on mettre un ampèremètre dans un circuit ?

A

En série

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3
Q

Comment doit on mettre un voltmètre dans un circuit ?

A

En parallèle

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4
Q

Donnez la loi d’OHM ?

A

U = R*I

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5
Q

Comment calculer l’intensité ?

A

I= Q/t

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6
Q

Formule du rendement ?

A

Rendement = Wu/Wa

= Pu/Pa

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7
Q

Calcul de l’énergie perdue ?

A

Wp = Wa- Wu

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8
Q

Formule de la puissance

A

P = W/t donc W= P*t

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9
Q

Formule énergie électrique absorbée ?

A
W= Q*U -> Q= I*t donc 
W= U*I*t
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10
Q

Formule puissance électrique absorbée ?

A

P = U*I

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11
Q

Formule énergie fournie ?

A

W= UIt

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12
Q

Formule puissance délivrée ?

A

P=U*I

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13
Q

Formule puissance thermique fourni ( effet de joule )

A

pth = R*I2

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14
Q

Formule énergie dissipée par effet de joule

A

W=RI2t

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15
Q

Donnez la résistance équivalente (Re) quand R est monté en série

A

R= R1 + R2 …

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