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80楼#
发布于：2013-05-19 17:54
果断aaaaaaaaaaaaaaaaaaa
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81楼#
发布于：2013-05-19 19:08
动态电路图
变阻器向a端滑。总电阻增大，电流减小。路端电压增大。电流表支路增大 选B |
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82楼#
发布于：2013-06-14 23:42
dddddddddddd
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83楼#
发布于：2013-08-18 14:47
d.
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84楼#
发布于：2014-01-27 20:34
qqqqqqqqqqqqqq
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85楼#
发布于：2014-12-10 17:46
学会分析动态电路
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86楼#
发布于：2015-03-21 21:30
.....
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![20天大作战[2014]](https://bbs.jd100.com/attachment/medal/465e7ccd53045d5.png "20天大作战[2014]"){kind=small}
![勇不止步[春]](https://bbs.jd100.com/attachment/medal/f783eb36b20a4e2.jpg "勇不止步[春]"){kind=small}
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87楼#
发布于：2015-03-21 22:27
答案为C
此题很有代表 |
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88楼#
发布于：2015-03-23 21:38
D
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![21天勇士[春]](https://bbs.jd100.com/attachment/medal/557cbed59379b9b.png "21天勇士[春]"){kind=small}
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![21天勇士[暑]](https://bbs.jd100.com/attachment/medal/63814ff34bb2a24.jpg "21天勇士[暑]"){kind=small}
![14天勇士[暑]](https://bbs.jd100.com/attachment/medal/ccbd3226d78250f.jpg "14天勇士[暑]"){kind=small}
![7天勇士[暑]](https://bbs.jd100.com/attachment/medal/8ad8dbd20210831.jpg "7天勇士[暑]"){kind=small}
![28天勇士[春]](https://bbs.jd100.com/attachment/medal/13d5b846139de25.png "28天勇士[春]"){kind=small}
