2013 AP Physics C物理C—Electricity and Magnetism電磁真題系列之Practice Exam選擇題免費(fèi)下載

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2013 AP Physics C Electricity&Magnetism Practice Exam Multiple Choices?Free Download

2013 AP 物理C電磁模考選擇題部分免費(fèi)下載

此套題僅?p II含有簡(jiǎn)答題，

共計(jì)時(shí)45分鐘，共35題

占總分50%

可以使用計(jì)算器

僅可使用鉛筆

考試時(shí)會(huì)提供常用公式列表

部分真題預(yù)覽：

1）A circuit contains a length of tungsten wire with resistance R. An increase in the resistance would result if which of the following could be decreased?

The resistivity of the tungsten

The cross-pal area of the wire

The length of the wire

The temperature of the wire

The current in the wire

4）Two parallel, straight conductors carry currents 3I and I in the same direction, as shown in the figure above. A plastic meterstick is held against the wires so that they are positioned
at the 0.3 m and 0.7 m mark, respectively. At what position on the meterstick is the magnetic field zero?

Nowhere on the meterstick

At the 0.1 m mark

At the 0.4 m mark

At the 0.6 m mark

At the 0.9 m mark

5）A positively charged particle moves with velocity v in the positive x-direction in a uniform magnetic field B directed in the positive y-direction, as shown above. The particle experiences a force in what direction?

Perpendicularly out of the plane of the page

Perpendicularly into the plane of the page

Positive x-direction

Negative x-direction

Positive y-direction