C = 20 мкФ = 2 * 10^-5 Ф
q = 6 мКл = 6 * 10^-3 Кл
W - ?
W = q² / 2C = (6 * 10^-3)² / 2 * 2 * 10^-5 = 0,9 Дж
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C = 20 мкФ = 2 * 10^-5 Ф
q = 6 мКл = 6 * 10^-3 Кл
W - ?
W = q² / 2C = (6 * 10^-3)² / 2 * 2 * 10^-5 = 0,9 Дж