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1D2010
@1D2010
May 2019
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Bonsoir à tous, j'ai vraiment besoin de votre aide
svp j'ai vraiment besoin de votre aide !
Merci d'avance !
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scoladan
Verified answer
Bonjour,
U(AB) = VA - VB ⇒ VB = VA - U(AB) = 30 - 15 = 15 V
U(BC) = - U2 = VB - VC ⇒ VC = VB + U2 = 15 - 4 = 11 V
U(AE) = VA - VE ⇒ VE = VA - U(AE) = 30 - 25 = 5 V
U1 = U(BA) = - U(AB) = - 15 V
U = U(EA) = - U(AE) = - 25 V
U = U4 - U3 - U2 + U1 ⇒ U3 = U4 - U2 + U1 - U = 3 + 4 - 15 + 25 = 17V
U3 = U(CD) = VC - VD ⇒ VD = VC - U3 = 11 - 17 = - 6 V
1 votes
Thanks 1
1D2010
j'ai pas compris pourquoi vous avez mis U1=U (BA)
1D2010
U=U(EA)
1D2010
malgré que le sens est convenable
1D2010
du gauche à droite
1D2010
svp
scoladan
oui tu as raison U1 = U(AB) et U = U(AE)
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Verified answer
Bonjour,U(AB) = VA - VB ⇒ VB = VA - U(AB) = 30 - 15 = 15 V
U(BC) = - U2 = VB - VC ⇒ VC = VB + U2 = 15 - 4 = 11 V
U(AE) = VA - VE ⇒ VE = VA - U(AE) = 30 - 25 = 5 V
U1 = U(BA) = - U(AB) = - 15 V
U = U(EA) = - U(AE) = - 25 V
U = U4 - U3 - U2 + U1 ⇒ U3 = U4 - U2 + U1 - U = 3 + 4 - 15 + 25 = 17V
U3 = U(CD) = VC - VD ⇒ VD = VC - U3 = 11 - 17 = - 6 V