4-1-1電流磁效應
Interactive Video
•
Physics
•
10th Grade
•
Medium
盈蓁 李
Used 2+ times
FREE Resource
4 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
長直導線通電後，其周圍的鐵粉會呈現何種分佈？
隨機分佈
同心圓分佈
平行線分佈
放射狀分佈
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
根據安培右手定則，載流環形線圈內的磁場方向為何？
入紙面
出紙面
沿電流方向
垂直電流方向
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
螺線管的磁場大小與下列何者成正比？
螺線管的總長度
單位長度線圈纏繞的匝數
線圈的直徑
螺線管的電阻
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在螺線管中加入軟鐵心，對其磁性有何影響？
磁性減弱
磁性不變
磁性增強100~1000倍
磁性增強10~100倍
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