с действует сила 0.5пН (а=90°) . Найти индукцию м. поля...

July 2022 1 5 Report

на электрон движущийся со скоростью 15 м м/с действует сила 0.5пН (а=90°) . Найти индукцию м. поля

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V=15*10^6 м/с F=0.5*10^-12 H q=1.6*10^-16 Кл B=?
===
F=q*B*v*sinα (sinα=1)
B=F/(q*v)=0.5*10^-12/(1.6*10^-19*15*10^6)≈0.21 Тл
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