При перемещении электрического заряда q между точками с разностью потенциалов 5в силы действуют на заряд со стороны электрического поля совершили работу 4 джоулей чему равен заряд q
dashaspirik1
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17.09.2019 10:30
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1
Δφ = 5 В
А = 4 Дж
q - ?
Решение:
Работа электрического поля по перемещению заряда:
A = q·Δφ.
Отсюда:
q = A / Δφ = 4 / 5 = 0,8 Кл