

Les chiffres significatifs
Presentation
•
Mathematics, Physics
•
1st - 12th Grade
•
Hard
Jean-Marie Delamarre
FREE Resource
3 Slides • 3 Questions
1
Les chiffres significatifs
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2
Multiple Choice
La donnée I = 0,023 A comporte combien de chiffres significatifs?
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3
Multiple Choice
On mesure avec un voltmètre une tension U. Sur l’écran il est affiché: 56,0 mV. Combien de chiffres significatifs a cette mesure?
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4
Multiple Choice
On mesure avec un ohmmètre la résistance R d’un résistor. Sur l’écran il est affiché: 56,8 k Ω .
Combien de chiffres significatifs
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utilisation d’un multimètre
http://ww3.ac-poitiers.fr/sc_phys/cres_lr/Multimetre/mthvolt1.htm
ampèremètre
voltmètre
ohmmètre
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Les chiffres significatifs
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