
电荷
Quiz
•
Physics
•
8th - 9th Grade
•
Practice Problem
•
Hard
Zhao Liang
Used 4+ times
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
任意两个不带电的物体相互摩擦时,可能产生的结果是
一个物体带正电,另一个物体带等量的负电
一个物体带负电,另一个物体不带电
两个物体带等量的负电
两个物体带等量的正电
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
用毛皮摩擦过的硬橡胶棒去靠近甲、乙两个轻小物体,结果甲被排斥,乙被吸引。由此可以判定
甲带正电,乙带负电
甲带负电,乙带正电
甲带负电,乙不带电或带正电
甲带正电,乙不带电或带负电
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列事例中,不是利用静电现象的是
静电除尘,提高空气的净化程度
纺织车间要经常保持空气有较大的湿度
静电喷漆,给自行车、汽车以及家具进行喷漆加工
静电复印,提高办公效率
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
关于导体和绝缘体,下列说法中正确的是
绝缘体内部没有带电粒子
干木棍是绝缘体,潮湿后变成导体
打雷时,两云层之间的空气是绝缘体
绝缘体不能导电,因而没有应用价值
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
有甲、乙、丙三个带电体,甲物体排斥乙物体,乙物体吸引丙物体。如果丙物体带正电,甲物体带________电。
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