霍爾效應
固態導體有電流經過時,在磁場中產生電壓(電動勢)的效應。
原理:
電荷運動受磁力偏轉方向(勞倫茲力),
偏轉後因為電荷不均勻分布,產生電場。
其中電場力 = 勞倫茲力來達到力平衡狀態,使電荷順利通過不偏移。
而產生的電壓稱為霍爾電壓。
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作業27.46
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