霍尔效应实验报告KH(共8篇).doc

() 1.2vh?isvh?imvhisim3b 4511bzxisnisxflybbafefefl=-feabehvhxbfl=-ebeb fe?eeh?evh/l ehvhlfl?fe ?vh/l 1ldn is?ne 2 12 vh?ehl?ib1isb?rhs 3neddvhabisbrh?1ne=nerh?/? 4? n kh?rh/d?1/ned 553 vh?khisb 6khmv/ma?tkh, ?l(7) ?eivi(2)(5)(7)?kh?lis? 8 lviviiseivillnrhkhdkhddb2bcos?vh?khisbcos? (9)vh=0(2)vh=khisbcos?khisb9isbvhvh3bisvh1 zky-hs(3) 2 ky-hc1 khn pnb vhimis 2b imb b1 2 khna. im0.8ab b. c. is=2.00?10.00ma1.00mavh 1isvhk1(k1=vh/is) d. 6kh5n a. is=2.00?10.00ma1.00mavi4isvik2k2=is/vi b. khll8c. pnb? imb? isis? vhvhd. bisvhpnisvhb vhimis=10.00maim=100200?1000ma100mavh2im-vhimim-vh3b ba. im01000ma b. c. is=2.00?10.00ma1.00mavh1isvhk1(k1=vh/is)d. khk16b bb ba. im=1000mais=10.00mavh b. 5mmvh3 c. vh6b-xbimis1khnisvhk1k1=9.9 6k1kh=47,3d=2m5n2bim=800ma b=k1/khb3 bb-xb4isvik2khll85vhim 2=10.00maim-vh, imim-vh6vh 1v05a5bababv0v0?isvvvv0isis2 xiszbyyta-tb6 v? v?abveveibveibvhib 3qyvhvnqbvhb 43xdt dxqzbyta-tbvhqbbis isbim ?im?is vab1?vh?v0?ve?vn?vr ?im?is vab2?vh?v0?ve?vn?vr ?im?is vab3?vh?v0?ve?vn?vr ?im?is vab4?vh?v0?ve?vn?vr 1(vab1?vab2?vab3?vab4)?vh?ve 4vevhisbvh>>ve,ve, vhvh?ve?v1?v2?v3?v44vhvab1vab3vab2vab4(vab1?vab2?vab3?vab4)/4?(|vab1|?|vab2|?|vab3|?vab4|)/4 - 1 2vh?isvh?imvhisim3b4 yx-04 1fb?bisehfe?fbfe?fbvhehvbdnis?nevbd11fe?eehfb?evbfe?fbvh?eh?b?ib1isb?rhsnedd 12rh?1/(ne)vhbis3r(m/c) dhrh?vhdisb 1314kh?uh/isbkhhvhisbisbvhvhnn?1/(khed)3?/8?n?ne? 152vhve veve?isbveisbvnvnvnb-vrvrvrbisv0xbv0v0isbisisbbisbisb+b?isv1?vh?ve?vn?vr?v0 +b?isv2?vh?ve?vn?vr?v0 -b?isv3?vh?ve?vn?vr?v0 -b?isv4?vh?ve?vn?vr?v0v1v2v3v4 v1?v2?v3?v4?4(vh?ve)vevh1vh?(v1?v2?v3?v4)4 1631khisvhbb?vhkh?is172xll?x?x?nis?bx?l?l2l?221/2221/2?x?r0?x?r0?22? 18?nislr0xx=0b0?nis(l2?4r02)1/2 910vh?isvh?im isim20.000isim0.00003vh?isim900mais14.00cmis1.002.00?10.00ma4isim isimvi1vhisvh?isvh?isvh?imis=10 ma ,514.00cm200?900 ma6imim0100isim isimvi2vhimvh?imvh?imb 1is=10 maim900ma2x14.00cm0cmisimvi3b3xbb?xb?x418?7b?4?10h/m,140 1isim2304kh=23.09n=3150l=280mm,r=13mm1imisimisvh?isim=900ma2vh?im is=10.00ma3 b?x is=10.00maim=900ma vhisimkh?uh/isbb=u-2h/kh*is=1.33x10t: e=5.3% _ _ _ _ _ _ 1 2 1 bihuh uh = khihbkh = rh / d=1 / pqd2uh2 uhihbim =uh+ue4ue(u1+u2+u3+u4) _ _ _ _ _ _1 ihuhim=0.6auhih2 khih=10mabuhkh3 ih=10ma4 im=0.6aih=10maxb-x1 ihuh _ _ _ _ _ _hih/aim/a0.10.20.30.40.50.60.70.80.910.010b/t0.04410.08260.12080.15610.19550.23740.27660.31900.35800.3865uh