传感器的应用 传感器实验
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传感器及其工作原理
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电能的输送
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变压器
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电感和电容对交变电流的影响
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描述交变电流的物理量
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交变电流
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涡流、电磁阻尼和电磁驱动
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互感和自感
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电磁感应定律的应用
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电磁感应现象的两类情况
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法拉第电磁感应定律
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楞次定律的应用
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楞次定律
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电磁感应
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带电粒子在复合场中的运动
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电表的改装
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把电流表改装成电压表
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探究小灯泡伏安特性曲线
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导体的电阻
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