攝石
From Wikipedia, the free encyclopedia
From Wikipedia, the free encyclopedia
攝石（粵拼：sip3 sek6；英文：magnet）又叫磁鐵、磁石，係種可放出磁場嘅料，可以攝起鐵、鎳之類嘅金屬。如果"審"啲鐵粉喺佢周圍，就會見到磁場分佈。攝石可以係本身就有磁力。亦可以用以集中電綫磁力，加舊金屬放大磁力，變成電攝石。電攝要有電過先有磁力，無就無磁力。
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有啲攝石係天然都搵到，為咗分開人工造出來嘅攝石，就叫佢做天然攝石。天然攝石可以響磁鐵礦度搵到。
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