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Постійний струм

QuestionAnswer
Що таке електричний струм? Впорядкований рух заряджених частинок в провіднику;
Струм, який періодично, через рівні проміжки часу змінюється як за величиною, так і за напрямком, називається: Змінним
Щильність струму визначається за формулою I/S
Частинки, що не мають електричного заряду: Нейтрони
Закон Ома для ділянки кола виражається формулою: U = I/R
Created by: 631021584453130
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