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1.      In the 12th century _____ developed the ribbed vault.

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Romanesque architecture is known by its massive quality, thick walls, round arches, sturdy piers, groin vaults, large towers and decorative arcading.

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Quelles informations peuvent être conservées par un navigateur web ?
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Трансформатор увімкнено до напруги U1=660 В. До вторинної обвитки трансформатора під’єднано навантаження з cosj2=1 і напругою U2=220 В. Визначити струм вторинної обвитки, якщо струм первинної обвитки І1=2 А.

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Чи втрати в міді трансформатора залежать від величини струму?

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