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Caractéristiques essentielles du faisceau d'électron Son intensité (en mA): proportionnelle au ________ utilisé pour faire chauffer le filament de tungstène Sa durée de chauffe (intensité x durée= nb e- (mAs)Son énergie cinétique (en KeV:-e- acquiert une énergie correspondant à la ________ d'accélération -directement régulé par la tension d'accélération entre la cathode et l'anode
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