大學(xué)物理51402240

1、BqvFm sinBvqFm v/vvBmFmeFFF )(BvEq -洛侖茲關(guān)系式洛侖茲關(guān)系式qBv Bv/BvqFm 00sin qvB BvROvqvBFm qBmvR Rvm2 vRT 2 qBm 2 vB cos/vv sinvv Bv/vvqBmvR Tvh/ qBmv/2 B/vvvhIbdBV12dIBRUHH IbdBV12v12VIBvmFeF BveFm HEHeEeF 0 HEeBveBvEH emFF 21UUUH 21dlEH 21d)(lBv 21dlvBvBb nevbdI dIBneUH1 neRH1 IB12VHE12VIBvLFeFHE 21UUUH 21

2、d)(lBv 21dlvBvBb dIBnqUH1 nqRH1 lIdIvSn BBveFL lnSNdd lvv ldd lnSBveFd)(d BlenSv dBlIF dd LFFdenSvI LBlId0 xyABIRxFdyFdFdlIdlIdBlIF dd0 xyABIR LyFFd LF sind LlIB sind 0dsinIBRIBR2 jIBRF2 dlIdBlIF ddxyABIFdyFdxFdlIdB cosddFFx sindF sindlIB yIBd sinddFFy xIBd jIBLF lxxFFd lyyFFd BAyyyIBd0 BAxxxIBdIBL

3、ABI0Rabcdl l Iyx0 dadcbcabFFFF addaBlIFd0Rabcdl l Iyx adjlIBdjRlIB)2( dadcbcabFFFF jRlIB)2( ZIFdzFd/FdlIdBlIF dd lzFFd lF sind RlIB 20dsin sin2 RIB ZIFdzFd/FdB1l2labcdadFbcFIIncdFabFB)(ba)(cdn)sin(1 BIlFad sin1BIl sin1BIlFbc B1l2labcdadFbcFIIncdFabFB)(ba)(cdncdabFF cdFabFB)(ba)(cdnBIl2 sin2sin211lFl

4、FMcdab sin21BlIl sinISB BnNISM cdFabFB)(ba)(cdnnNISpm -載流線圈的磁矩載流線圈的磁矩BpMm sinNISBM =0：mpMB/max = /2：-既有轉(zhuǎn)動(dòng)，也有平動(dòng)既有轉(zhuǎn)動(dòng)，也有平動(dòng)IabdABCD I ABABlBIFd ABldkIddakI CDCDlBIFdbdakI CDlbdkIdIabdABCD IdbakI ln BCBClBIFdrrkIbddd BCDAFF IabdABCD ICDABFFF )11(bddaKI )(bddabkI IabdABCD Id1I2I1B21FddIB 2101 l dI21221ddB

5、lIF d1I2I1B21Fdl dI2lBIFdd1221 ldIId2210 ldIIFd2d21012 21Fdd1I2I1B21Fdl dI22B12FddIIlF210212dd N1027 270AN/104 l IlBF ddFA ddBIl IIabcdd cFl)(addaBIl adBlcd daBldc IIabcdd cFlcddcB )(adadBl ddBl ddBIlA BI BIA cdFabFB)(ba)(cdnd dMdA )d(cos BIS dsinBIS )cosd( BSI BIA dd 21dBIA)(12 IBIBIA cdFabFB)(ba)(

6、cdndBIA ddBIR060nnNISpm nRNI221 060sinBpMm 23212 BRNI 243RNIB BIR060nBIA )60cos22(22RBRBNI 241RNIB )(12 IBIR060nBBB 0 ：0B ：B0BBr -相對(duì)磁導(dǎo)率相對(duì)磁導(dǎo)率B 0BB 0BB 0B-弱磁性物質(zhì)弱磁性物質(zhì)-強(qiáng)磁性物質(zhì)強(qiáng)磁性物質(zhì)1 rm -磁化率磁化率mp )(vmrL 0BM M L0B L 0BM tMLd L 0B mpM L L0B 0BM-抗磁性產(chǎn)生的機(jī)理抗磁性產(chǎn)生的機(jī)理mpB -順磁性產(chǎn)生的機(jī)理順磁性產(chǎn)生的機(jī)理NS LsIIlB)(d0 NSr匝NIr0L LsINIlB)(d0 )(20sINIrB NIrB002 0BBr NIINIs LsINIlB)(d0 NIr 0 r 0 LIlB d-磁介質(zhì)的磁導(dǎo)率磁介質(zhì)的磁導(dǎo)率 BH LIlHd-磁介質(zhì)中的安培環(huán)路定理磁介質(zhì)中的安培環(huán)路定理 HMHB、VppMmm ； mp0 mpHMm BMm Brr 01 rBB 00 HB0)(0MHB r1RII 221rRII rII1R2Rl rR1： LlHdrH 2 IRr212