变压器中为什么输入电压决定输出电压，输入电流决定输出电流，输出功率决定输入功率？ 知乎 Sketch Coloring Page

变压器中为什么输入电压决定输出电压，输入电流决定输出电流，输出功率决定输入功率？ 知乎 Template

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tomski变压器中为什么输入电压决定输出电压，输入电流决定输出电流，输出功率决定输入功率？ 知乎 coloring

变压器中为什么输入电压决定输出电压，输入电流决定输出电流，输出功率决定输入功率？ 知乎 sketch template

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