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Ellærer

QuestionAnswer
Ohm´s lov U = I * R
Formlen for hvordan R afhænger af ledningens længde l og tværsnitsareal A R = p * l/A
Jern´s resitivitet ved 0 grader 0,089
Den afsatte effekt i en resistor (formel) P = R * I^2
Hvilken engelske fysiker udførte i slutningen af 1800 tallet en lang række forsøg med forskellige energiomsætninger James P. Joule
Created by: 100001402397492
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