Предмет: Физика, автор: aizakjorobekov

первичная обмотка повышающего трансформатора 40 витков вторичная 400.чему равно напряжение на первичной обмотке если на вторичной обмотке 800 в

Ответы

Автор ответа: WordSnot

N₁=40.
N₂=400.
U₂=800 В.

U₁=?

N₁/N₂=U₁/U₂. U₁=N₁/N₂ * U₂=40/400 * 800 В = 0,1 * 800 В = 80 В.

Ответ: напряжение на первичной обмотке равно 80 В.

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