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04-05.楞次定律

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课件

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例题 1

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C。因为没有穿过,到 N 点前就停止了!

例题 2

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A

例题 3

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D

例题 4

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例题 5

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课件

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例题 1

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课件

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例题 1

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例题 2

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进阶

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例题 1

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这道题也可以画出 ΔΦt 图来判断。

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例题 2

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例题 3

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例题 4

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例题 5

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例题 6

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例题 7

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例题 8

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例题 9

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例题 10

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