如图所示电路中,
,
,
,
,当开关
闭合、
断开电路稳定时,电源消耗的总功率为
,当开关
、
都闭合电路稳定时,电源消耗的总功率为
,求:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/16/775af296-877d-4585-9e8b-8c83b990bafa.png?resizew=143)
电源电动势E和内阻r;
当
闭合,
断开,电路稳定后,电容器所带的电量为多少;
当
、
都闭合电路稳定时,电源的输出功率及电容器所带的电量各为多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bfa6e73ebb7b4c920dcd389caa9bf40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fb6f815d0d869b83b47351599f98d4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72ee7e47bae14ddea35c9443a7220be5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5503dab4dd3f7f5972b70f287ed304a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/701e8fe74f0afb74b16fc977fed34d86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c84f27e920fe12854e85c6aa2533a8bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c27ec889a9fc3a9e99db5cabb2378570.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/701e8fe74f0afb74b16fc977fed34d86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c84f27e920fe12854e85c6aa2533a8bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8349650026f961dbc91a54ac1e1e5e2e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/16/775af296-877d-4585-9e8b-8c83b990bafa.png?resizew=143)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/701e8fe74f0afb74b16fc977fed34d86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c84f27e920fe12854e85c6aa2533a8bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4bb89a362c1faf4d0c306eabbb59710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/701e8fe74f0afb74b16fc977fed34d86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c84f27e920fe12854e85c6aa2533a8bf.png)
17-18高二·全国·单元测试 查看更多[7]
2018年高二物理恒定电流单元检测高二物理选修3-1第二章《恒定电流》单元检测辽宁省葫芦岛市第六中学2018-2019学年高二上学期单元训练卷 第2单元 物理试题(已下线)《2018-2019学年同步单元双基双测AB卷》人教版选修3-1《第三单元 电阻定律 闭合电路欧姆定律》测试B卷第二章 恒定电流 (基础过关)-2020-2021学年高二物理单元测试定心卷(人教版选修3-1)江西省吉安市遂川中学2019-2020学年高二上学期第二次月考物理试题河南省洛阳市宜阳县第一中学2023-2024学年高二上学期9月月考物理试题
更新时间:2018-09-11 10:51:52
|
【知识点】 含容电路中有关电荷量及其变化的计算
相似题推荐
解答题
|
适中
(0.65)
名校
【推荐1】如图所示,电源电动势
,内阻
,滑动变阻器的最大阻值
,定值电阻
,
,
,电容器的电容
。开关S闭合电路稳定后,求:
(1)滑动变阻器滑片在最左端时,电容器上的电量是多少;
(2)滑动变阻器
的阻值为多少时,
和
上消耗的总功率最大,最大值是多少。
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd73e5f6a9822628ba5677afb85d244f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6710ee92f123e84d350abfddb19a9108.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0bd18f9658dc9077a36137fd0ba3a21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5591cf029c478b74b8ed3642f84de33b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc35c59be71adfa43fa8aecfd19c054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f13e366c4f3d2a114bf3f48932913cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c133f7c738c0c37cb93620fe6c3f6ff.png)
(1)滑动变阻器滑片在最左端时,电容器上的电量是多少;
(2)滑动变阻器
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efc18a5bb2e53586331b2a58538a48b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efc18a5bb2e53586331b2a58538a48b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f20f21a9d50b61dac519a3ddab539d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/28/e22950a9-ec6b-44ad-bd6c-04f4c31bec05.png?resizew=210)
您最近一年使用:0次
解答题
|
适中
(0.65)
名校
【推荐2】在如图所示的电路中,
,
两端的电压
,电压表和电流表均为理想电表。电路稳定后,求:
(1)电流表、电压表的示数;
(2)电容器极板所带的电荷量
。
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f695bc462abd19f9375f3dcb97465583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f26cf381cf591b0c4dd13ec4bcd944b.png)
(1)电流表、电压表的示数;
(2)电容器极板所带的电荷量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/28/ceb90e70-d277-4b33-b71a-7f5e52e539f3.png?resizew=179)
您最近一年使用:0次