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Wattmètre très ancien
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Pilou et Marino
Pilou et Marino
Senlis ( Oise ) . Vu à l’occasion des 13 e journées Tintinophiles de la cité royale. Un wattmètre est un instrument qui permet de mesurer la puissance électrique que soutire à tout moment un appareil électrique ou électronique, ou une lampe. La puissance, qui se donne en watts (W), représente l'énergie électrique consommée à chaque seconde.
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