[問題] 突然想到奇怪的磁鐵問題
請教一下喔
如圖所示 http://ppt.cc/~Tsp
用A磁鐵靠近B磁鐵中間
會吸嗎?
我記得是不會吸
如果我是對的,不會吸
那B磁鐵是磁性物質,為什麼不會吸呢?
謝謝!!
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