霍爾效應(yīng)法測(cè)螺線管磁場(chǎng)-實(shí)驗(yàn)報(bào)告

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1、實(shí)驗(yàn)數(shù)據(jù)處理1.霍爾電勢(shì)差U與螺線管通電電流Im的關(guān)系圖（x=17.0cm處）：050100150200250300350400450500022.244.166.188.1110.1132154.1176198220Im/mAU/mV直線的斜率K'=0.4301；相關(guān)系數(shù)r=1L=26.0±0.1cm,N=(3000±20)匝，平均直徑D=3.5±0.1cmμ。=4π×10*-7H/m=30.01(V/T)1.通電螺線管內(nèi)磁感應(yīng)強(qiáng)度分布測(cè)定（Im=250mA）螺線內(nèi)磁感應(yīng)強(qiáng)度B與位置刻度X的關(guān)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