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45. 有一段載有電流 10 安培的導線,其沿著 X 軸從x= – 2 公尺到x= 0 處,然後再沿著 Z 軸從 z= 0 到 z= 3 公尺處,而在此區域裡存在著一沿著正 Z 方向的磁場,磁場的大小
問題詳情
45. 有一段載有電流 10 安培的導線,其沿著 X 軸從x= – 2 公尺到x= 0 處,然後再沿著 Z 軸從 z= 0 到 z= 3 公尺處,而在此區域裡存在著一沿著正 Z 方向的磁場,磁場的大小為 50毫特斯拉(tesla ),求作用於此導線之磁力大小為若干牛頓?
(A) 1
(B) 1.5
(C) 2.5
(D) 3
參考答案
答案:A
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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