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Physics, 12.03.2020 13:25 beckers0115

Кусок проволоки и лампочка имеют одинаковые сопротивления. Лампочку подключают к сети так, что она нагревается на 750С. На сколько процентов нужно увеличить длину проволоки, чтобы их сопротивления вновь сравнялись?

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Кусок проволоки и лампочка имеют одинаковые сопротивления. Лампочку подключают к сети так, что она н...
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