
磁學手勢
Authored by 王晟至 undefined
Chemistry
9th Grade
Used 9+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
將一個螺旋形線圈前後分別放置甲、乙兩根磁棒,則當按下開關後,甲、乙兩磁棒的移動方式為何?
甲向右移、乙向左移
甲向左移、乙向右移
甲乙皆向右移
甲乙皆向左移
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
將一長直導線垂直放置,並且通予一從上往下的電流時,所建立的磁場方向應該為何?
平行於導線向下
平行於導線向上
垂直於導線呈順時鐘方向
垂直於導線呈逆時鐘方向
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
有一通電的長直導線形成磁場如附圖所示,若將此導線彎曲成環狀,試問其電流流動情形與形成磁場情形,下列何者正確?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
利用手勢判斷通電後螺旋形線圈所形成的磁場時,下列何種敘述是正確的?
四指彎曲方向表示受力方向
四指彎曲方向表示電子流方向
大拇指代表N極方向
四指彎曲方向代表S極方向
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
對一支直立的原子筆依順時鐘方向由下往上繞上金屬導線,取出原子筆後將線圈後通予電流,如附圖所示,請問線圈的N極應該位於線圈的何種位置?
在線圈上方
在線圈下方
在線圈右方
在線圈左方
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
將一段粗導線繞成圓形線圈,之後連接電池,形成如附圖所示之電路。則由圖中圓形線圈所產生之磁場,在甲、乙兩點的方向分別為何?(d表示甲、乙兩點至線圈的距離,甲位於線圈的圓心)
甲、乙兩點磁場方向皆向右
甲、乙兩點磁場方向皆向左
甲點磁場方向向右,乙點磁場方向向左
甲點磁場方向向左,乙點磁場方向向右
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如附圖所示,水平面上有四個磁針,當電流尚未接通以前,各磁針指向相同,將開關壓下,則四個磁針中,哪一個將不偏轉?
甲
乙
丙
丁
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