
09/30靜電學觀念
Quiz
•
Physics, English
•
9th - 10th Grade
•
Practice Problem
•
Hard
158121洪子翔 158121洪子翔
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5 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
下列何者適用庫侖定律?
任意球體都可以
均勻球體內
均勻球體外
任意形狀都可以
2.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
若一物體不適用庫侖定律,那要如何計算靜電力?
視為無數多個點,計算完再加總
取物體之中點去做計算
物體上任意一點都可以做計算
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
下列敘述何者正確?
電場強度E為純量
正電荷電力線為收斂
電場強度與檢驗電量無關
電場強度與距離成反比
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
有關電力線的敘述何者正確?
由負出發至正收回
電力線可能會相交
電力線切線方向=正電荷加速度方向
電力線觀念是馬克思威爾提出的
5.
MULTIPLE SELECT QUESTION
45 sec • 5 pts
下列敘述何者正確?(多選)
只要是截面積都可用來計算電力線密度
電通量與電量成正比
靜電平衡時,電荷分佈於導體表面
靜電平衡時,內部可能存在電場
電通量就是電量
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