试题与答案

一飞机下有一沿竖直方向的金属杆,若仅考虑地磁场的影响,不考虑磁偏角影响,当飞机水

题型:选择题

题目:

一飞机下有一沿竖直方向的金属杆,若仅考虑地磁场的影响,不考虑磁偏角影响,当飞机水平飞行经过合肥上空(   )

A.由东向西飞行时,金属杆上端电势比下端电势高

B.由西向东飞行时,金属杆上端电势比下端电势高

C.由南向北飞行时,金属杆上端电势比下端电势高

D.由北向南飞行时,金属杆上端电势比下端电势高

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A, C, E

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A.ideal

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C.early

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题型:单项选择题 案例分析题

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