题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000148-42377.jpg)
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答案
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000148-42377.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000149-86951.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000149-36171.gif)
(2)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000149-54672.gif)
(3)2
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000150-56034.gif)
解析
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000150-92124.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000150-92124.jpg)
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![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000150-64286.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000150-92124.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000150-92124.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000151-90895.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000150-92124.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000151-97282.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000150-92124.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000151-69413.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000150-92124.jpg)
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![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000151-37478.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000150-92124.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000152-77734.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000150-92124.jpg)
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![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000150-92124.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000152-32649.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000150-92124.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000152-49765.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000150-92124.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000152-69893.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000150-92124.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000150-92124.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000153-54898.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000150-92124.jpg)
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![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000153-93320.jpg)
核心考点
试题【如图所示,匀强电场方向沿x轴的正方向,场强为E。在A(d,0)点有一个静止的中性微粒,由于内部作用,某一时刻突然分裂成两个质量均为m的带电微粒,其中电荷量为q的】;主要考察你对电荷在电场中的偏转等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000142-73581.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000142-83781.gif)
(1)匀强电场的大小?
(2)小球从进入匀强电场到下降h高度的过程中,电场力做了多少功?
(3)小球在h高度处的动能多大?
设偏转极板长L1="1.6" cm,两板间的距离d="0.50" cm,两板间的电压U=8.0×103 V,偏转极板的右端距纸的距离L2="3.2" cm.若一个墨汁液滴的质量m=1.6×10-10 kg,墨汁液滴以v0="20" m/s的初速度垂直电场方向进入偏转电场,此液滴打到纸上的点距原入射方向的距离为2. 0 mm.不计空气阻力和重力作用.求:这个液滴通过带电室后所带的电量q.
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000136-44051.jpg)
(1)求电子射出电场时的速度大小。
(2)为使所有的电子都能从磁场的bc边射出,求偏转线圈产生磁场的磁感应强度的最大值。
(3)所有的电子都能从磁场的bc边射出时,荧光屏上亮线的最大长度是多少?
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000119-51821.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000105-10708.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000106-88264.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000106-35940.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000106-11210.gif)
(1)以
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000106-62738.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000107-68699.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000107-84027.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000107-16433.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000107-66623.gif)
(2)在给出的坐标纸(如图d)上定量地画出电子打到记录纸上的点形成的图线。
![](http://img.shitiku.com.cn/uploads/allimg/20200113/20200113000051-57968.gif)
(1)匀强电场的电场强度E;
(2)在AC间还有哪些位置的粒子,通过电场后也能沿x轴正方向运动.
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