1、实验数据处理1.霍尔电势差 U 与螺线管通电电流 Im 的关系图（x=17.0cm 处）：0 50 100 150 200 250 300 350 400 450 5000 22.2 44.1 66.1 88.1 110.1 132 154.1 176 198 220直线的斜率 K=0.4301；相关系数 r=1L=26.00.1cm,N=(300020)匝，平均直径 D=3.50.1cm。=410*-7H/m=30.01(V/T)KNDLK。2U/mV Im/mA2.通电螺线管内磁感应强度分布测定（Im=250mA）螺线内磁感应强度 B 与位置刻度 X 的关系x/cm U1/mV U2/mV
2、 U/mV B/mT1 9.6 -10.1 10.1 0.341.5 13.8 -14.6 14.2 0.472 20.5 -21.3 20.9 0.72.5 30.9 -31.7 31.3 1.043 44.8 -45.5 45.15 1.53.5 60.8 -61.6 61.2 2.044 74 -74.9 74.45 2.484.5 83.3 -84.1 83.7 2.805 89.8 -90.7 90.25 3.015.5 93.4 -94.2 93.8 3.126 95.9 -96.5 96.2 3.216.5 97.7 -98.6 98.15 3.277 98.8 -98.6 98
3、.7 3.297.5 100.8 -101.1 100.95 3.368 101.4 -102.3 101.85 3.3910 105.2 -106 105.6 3.5214 106.5 -107.1 106.8 3.5516 107.3 -107.8 107.55 3.5821 106.5 -106.8 106.65 3.5524 104.8 -105.1 104.95 3.525 102.3 -102.6 102.45 3.4125.5 100.5 -100.9 100.7 3.3626 98.7 -99 98.85 3.2926.5 96.6 -97 96.8 3.2327 93.9 -94.2 94.05 3.1327.5 89.2 -89.7 89.45 2.9828 82.3 -82.9 82.6 2.7528.5 70.9 -71.5 71.2 2.3729 55.8 -56.3 56.05 1.8729.5 39.8 -40.5 40.15 1.3430 25.9 -26.7 26.3 0.88B/mTX/cm
