新疆实验中学2018_2019学年高二物理下学期开学检测试题(扫描版).doc

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1新疆实验中学 2018-2019 学年高二物理下学期开学检测试题(扫描版)2345高二物理答案1选择题题号 1 2 3 4 5 6 7 8 9 10 11 12答案 D D A A C A B BCD ACD AD ACD ABD2实验题13. d; b. (4 分)14.(1) (2 分)(2)如图(4 分)(3)将滑动触头移至最左端.多次移动滑动触头,记录相应的 G1、G 2的读数 I1、I 2(2 分)(4)r1=(k-1)R1 (2 分)15.(1)10-3 Wb (2)0.01 C16.2.010-4 C17.(1)带正电 (2)15 N (3)0.625 m18.粒子在区运动轨迹的圆心在 A2处,由几何知识和题意可知,轨道半径 R1=R,则 (2 分)1mvqB6轨迹所对应的圆心角 (1 分)13则运动时间 (2 分)111T2mt6qB粒子在区运动轨迹的圆心在 OA2的中点,由几何关系可知轨迹半径 ,2R则 (2 分)2vRq轨迹对应的圆心角 2=,则运动时间 (2 分)2TmtqB由题意知: (1 分)1212mt3qB由式联立解得:(2 分)2125B,6qt3t答案: mtt

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