CA. Résonance. Générateur, transformateur

11e, section 1 — dernière leçon. Leçon 2 : induction, auto-induction LL, énergie Wm=LI2/2W_m = LI^2/2. Le courant alternatif (CA) inverse périodiquement ; réseau ν=50\nu = 50 Hz.

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