Предмет: Физика, автор: AndreiValenya

За якою з наведених нижче формул можна розрахувати теплову дію струму Q на зовнішній ділянці кола?
А. Q = mc(t2 – t1).Б. Q = mr.В. Q = mL Г. Q = I2R∆t.

Ответы

Автор ответа: Carineitor

1

Ответ:

Г

Объяснение:

Г) - I^2*R*t -Закон джоуля-Ленца

AndreiValenya: Спасибо. Просто не понимаю почему там дельта...

Carineitor: Дельта означает изменение, можно измерять время с 0с до 10с и например с 5с до 15с, временные промежутки разные, но изменение времени одно и тоже, изза этого там дельта

AndreiValenya: Понял, спасибо

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