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面试遇到一道题,请问AB间的阻值是多少 |
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If by life,you were deceived.
Don't be dismal ,don't be wild! In the day of grief,be mild! Merry days will come, believe. Hearts is living in tomorrow. Present is dejected here: In a moment, passed sorrow that which passes will be dear. |
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点评
是电桥结构,當R1 x R4 = R2 x R3 的時候(也就是二邊分壓均等),就把 R5 拿掉即可(或是當作不存在)。
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生活充满奇迹
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Ian Tang
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