2012 AP Physics C物理C—Electricity and Magnetism電磁真題系列之Practice Exam選擇題免費下載

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真題與答案下載

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2012 AP Physics C Electricity&Magnetism Practice Exam Multiple Choices?Free Download

2012 AP 物理C電磁模考選擇題部分免費下載

此套題僅?p II含有簡答題，

共計時45分鐘，共35題

占總分50%

可以使用計算器

僅可使用鉛筆

考試時會提供常用公式列表

部分真題預覽：

1）A proton moving along the positive x-axis enters an electric field that is directed along the positive y-axis. What is the direction of the electric force acting on the proton after it enters the electric field?

1. Along the negative z-axis
2. Along the positive z-axis
3. Along the negative y-axis
4. Along the positive y-axis
5. The direction cannot be determined since the magnitude of the electric field is not known.

5）All the following statements about an isolated, solid charged conductor are correct EXCEPT:

1. All parts of the conductor are at the same potential.
2. All excess charge resides on the outer surface.
3. The net charge enclosed by any surface lying entirely within the conductor must equal zero.
4. The electric field E just outside the conductor is directed parallel to the surface.
5. The electric field intensity inside the conductor is zero.

9）A proton moving to the right at constant speed u enters a region containing uniform magnetic and electric fields and continues to move in a straight line. The magnetic field B is directed toward the top of the page, as shown above. The direction of the electric field must be

1. into the page
2. out of the page
3. to the left
4. toward the top of the page
5. toward the bottom of the page

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