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Магнітні явища

Дидактичні картки для вивчення теми "Магнітні явища" 9 клас

QuestionAnswer
Навколо провідника зі срумом існує магнітне поле
Зв'язок магнітного поля з електричним струмом уперше виявив Ерстед
Магнітна стрілка вказує напрям ліній магнітного поля
Напрям ліній магнітного поля прямого провідника зі струмом визначається за правилом свердлика
Лінії магнітного поля завжди замкнуті
Електромагнітом називають котушку з залізним осердям
Якщо електричний струм напрямлено від спостерігача, то лінії магнітного поля напрямлені за рухом стрілки годинника
Якщо лінія магнітного поля напрямлена проти руху стрілки годинника, то струм у провіднику тече до спостерігача
Лінії магнітного поля постійного магніту напрямлені від північного полюса до південного
Created by: Dik
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