2008 AP Physics C物理C—Electricity and Magnetism電磁真題系列之簡答題免費下載

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

2008 AP 物理C電磁簡答題部分免費下載

此套題僅?p II含有簡答題，

共計時45分鐘，共3題

占總分50%

每道大題可能含有不同數量的小題

可以使用計算器

部分真題預覽：

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.