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物理练习/电路
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来自 WikiBooks,开放世界的开放书籍
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物理练习
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白炽灯的电阻变化和灯丝的热惰性如何影响其电抗?
一个简单的铅酸蓄电池充电器由一个可变变压器、整流器、动圈安培计和一个保险丝组成。为什么在安培计显示电流达到保险丝额定值前很久就熔断了保险丝?
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图书:物理练习
华夏公益教科书