霍尔效应法测螺线管磁场-实验报告

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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）：050100150200250300350400450500022.244.166.188.1110.1132154.1176198220Im/mAU/mV直线的斜率K'=0.4301；相关系数r=1L=26.0±0.1cm,N=(3000±20)匝，平均直径D=3.5±0.1cmµ。=4π×10*-7H/m=30.01(V/T)1.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/cmU1＇/mVU2

2、＇/mVU＇/mVB/mT19.6-10.110.10.341.513.8-14.614.20.47220.5-21.320.90.72.530.9-31.731.31.04344.8-45.545.151.53.560.8-61.661.22.04474-74.974.452.484.583.3-84.183.72.80589.8-90.790.253.015.593.4-94.293.83.12695.9-96.596.23.216.597.7-98.698.153.27798.8-98.698.73.297.510

3、0.8-101.1100.953.368101.4-102.3101.853.3910105.2-106105.63.5214106.5-107.1106.83.5516107.3-107.8107.553.5821106.5-106.8106.653.5524104.8-105.1104.953.525102.3-102.6102.453.4125.5100.5-100.9100.73.362698.7-9998.853.2926.596.6-9796.83.232793.9-94.294.053.1327.589.2

4、-89.789.452.982882.3-82.982.62.7528.570.9-71.571.22.372955.8-56.356.051.8729.539.8-40.540.151.343025.9-26.726.30.88X/cmB/mT