4-1-1電流磁效應

4-1-1電流磁效應

Assessment

Interactive Video

Physics

10th Grade

Medium

Created by

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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