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Dobrý deň, vedel by mi niekto pomôcť s touto úlohou? Indukčnosť cievky bola zmenšená o 10%. Koľkokrát treba zväčšiť prúd v cievke, aby sa jej magnetická energia nezmenila?
Dobrý deň, vie mi niekto pomôcť s výpočtom? Magnetický indukčný tok valcovou cievkou pri prúde 1 A je 0,12 Wb. Určte energiu magnetického poľa cievky a indukčnosť cievky.
Dobrý deň, vie mi niekto pomôcť s touto úlohou? Pri rovnomernom zmenšení prúdu v cievke o 0,1 A za 1 s sa v nej indukuje elektromotorické napätie 0,86 V. Aká je energia magnetického poľa tejto…
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