Question: 2. On a le potentiel lectrique V (p, 4, z) = Asin() oil A, k et a sont des constantes positives. (a) Quel est

2. On a le potentiel lectrique V (p, 4, z) = Asin()

2. On a le potentiel lectrique V (p, 4, z) = Asin() oil A, k et a sont des constantes positives. (a) Quel est le champ lectrique au point (p, 4, z) ? Ce champ est-il un champ statique valide ? (b) Quelle est la densit de charge prsente au point (p, 4, z) ?

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