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Площадь каждой пластины плоского воздушного конденсатора S=100см2, расстояние между ними d=5мм. Какая разность потенциалов была приложена к пластинам конденсатора, если известно, что при разряде конденсатора выделилось Q=4,19*10-3Дж теплоты?
