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範例:地磁與磁偏角[99學測]

宋朝時的學者沈括在他所著的《夢溪筆談》中,記載著一段話:「以磁石磨針鋒,則能指南,然常微偏東,不全南也。」關於這段話所提供的訊息,下列敘述何者錯誤?(A)地球磁極具有微小的偏角是因為地磁有緩慢自轉的現象(B)中國人早就知道應用天然磁石製作成指南針,並藉它來辨別方向(C)指南針之所以能指向南方,是因為地球表面有方向相當穩定的磁力線(D)「微偏東,不全南」指出地球磁極相對於地理南北極具有微小的偏角(E)根據地表的磁場

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Posted in 歷屆學測(推甄)考題, 歷屆學測試題, 電力與磁力.

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