容易导电的物质叫做:_______

11.3 导体的电阻 - 11.6 电流、电压、电阻的关系

Quiz
•
Physics
•
8th Grade
•
Medium
YPHS0054 KHAN
Used 5+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
无法确定
导体
绝缘体
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
导体之所以容易导电是因为导体中有能够自由移动的_____ , 能够从导体的一个地方移动到另一个地方。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
金属中有大量电子可以摆脱原子的束缚,被称为______。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
导电能力介于导体与绝缘体之间被称为_______,例如硅/锗,主要应用于电子工业,
其中最常用的是二极管和三极管。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
导体对电流阻碍作用的大小被称为_________。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
电阻的符号是_____,单位是_____
R, Ω
I, A
V, Φ
V, V
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
1 MΩ = _________ kΩ
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