aider moi svp c'est urgence voici exercice .... Pergunta de ideia demathieukamano37125

mathieukamano37125 @mathieukamano37125

December 2020 1 93 Report

aider moi svp c'est urgence voici exercice

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Réponse :

1) voir photo

2) Le conducteur ohmique diminue l'intensité du courant dans le circuit.

3)

$U_R + U_M = U_G\\\\U_R = U_G - U_M\\\\U_R = 6 - 3,4\\\\U_R= 2,6 \;V$

4)

$I=\frac{U_R}{R}$

$I = \frac{2,6}{34}$

$I = 0,076\;A$

5)

$P=U_R \times I\\\\\\P = \frac{U_R^2}{R} \\\\P = \frac{2,6^2}{34} \\\\P = 0,199 \;W$

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mathieukamano37125 merci

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