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82问答网 > 一电容器，带电量为4×10-5C，两极板间电压为200V，则该电容器电容为______F．若使它的带电荷量再增加1×

一电容器，带电量为4×10-5C，两极板间电压为200V，则该电容器电容为______F．若使它的带电荷量再增加1×

2025-03-31 13:03:37

推荐回答（1个）

回答1：

由公式C=

Q

U

=

4×10?5

200

F=2.0×10^-7 F，
电荷量发生变化，但电容不变，还是2.0×10^-7 F
两极间的电压为U=

Q

C

=

5×10?5

2.0×10?7

V=250V
故答案为：2.0×10^-7 F、2.0×10^-7 F、250V

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