2008 AP Physics C物理C—Electricity and Magnetism电磁真题系列之简答题免费下载

历年AP Physics物理学系列

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2008 AP Physics C Electricity&Magnetism Free-Response Questions Free Download

2008 AP 物理C电磁简答题部分免费下载

此套题仅 p II含有简答题，

共计时45分钟，共3题

占总分50%

每道大题可能含有不同数量的小题

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部分真题预览：

1）A metal sphere of radius a contains a charge +Q and is surrounded by an uncharged, concentric, metallic shell of inner radius b and outer radius c, as shown above. Express all algebraic answers in terms of the given quantities and fundamental constants.

1. Determine the induced charge on each of the following and explain your reasoning in each case.
   1. The inner surface of the metallic shell
   2. The outer surface of the metallic shell
2. Determine expressions for the magnitude of the electric field E as a function of r, the distance from the center of the inner sphere, in each of the following regions.
   1. r < a
   2. a < r < b
   3. b < r < c
   4. c < r
3. On the axes below, sketch a graph of E as a function of r.
4. An electron of mass me carrying a charge -e is released from rest at a very large distance from the spheres.
   Derive an expression for the speed of the particle at a distance 10r from the center of the spheres.