电磁场与电磁波(第四版)课后答案谢处方

1、BeeeBeeC求：（；（B；（B；（；（B(BC)(B)C；（(B)C(BC)eeeeeeeeBeeeeeB(BeeeeeoBBoBoBABeeeeeeeeeBeeeeeeBBeee(BC)eeeeee(B)Ceee(eee(B)Ceeeeee(BC)eeePPPPPPPPPreereeereeeRrrRrreeeRrreeeRReeeeePPRRR1223R121723P(PRRreeereeeRRrreeRReRRReRReReeeBeeeBBABBBBBBeeeBeeeBeeeeBeeeeeB(B)(B)C25CBBBB(B)(C)(B)()B(C)()C)B()B(C)BpXXpXP

2、XP(X)(X)()Xp()XXpAA标；（(o()rEer(EE(EBeee(r(ErrEeEE(reeeErrr(E(EBEB)()EB32(r,)(r,)RRRR)RerererRererer(e(e)dRR)r(e)d(e)eddrrrdrererrrrrrdddrrdrd(ere)(ededed)rrrdrdrddddddd()dd()dddddeee1212121212121212121212dddd12121212dddrrddddrdrrrrrrdrdrddeeedldddCeeeeedeeedlddddldlddde()eddrrddrRR(R)ReeeeeCCReeeRee

3、eReeeeeF(r)F(r)FdrdrrrrFrrrdrrrEdlEdEdEdlEdEdddEdl；（ECCC)ddPPddEdEdlECCeeeeeleeeeerellellorrrrrrrrrrdrrrdrd(rr)(rr,)(r,)rrrrrrrdrdrrrrdrdrrrr,r,rrdrdrrrrrrrdrd(r,)(r,)rrrrrurrrurr()rrrrrbueeebubb)()()(b)rrrrrreeerBeeereeerrrrrrrrrrrrrrrrrerrrererrrrrrrrrrrrrrrBrrrrrrrBBeeeeB=rBC)()(H)HH(H)(H)(H)H(b)

4、(b)(H)H()H()(H)(H)(H)(H)HH()xzyxzyxyzx(Gzzyzyyxyxx(fG(fG(fG(fGzy(fG(fG)(u)0(A)0u)dldlduSCCC(u)0222111dldl)ddldldl)ddldlAdSS12A)dA)ddlC1(A)0第二章习题解答ddVd，求：（d；（ddddddddddd)dm2mmmqmvmqUmJAmIJdArrrerJrrrrreJJeeqqrrrreerrrrrreerrldlqrreeEqqEEEEeeeE).dldllrrdEld()eeeEdE(eeleeelLllllll.LdLddLLLLLEllE()l()ll

5、E()()llLLLLLLLq(q(lllll()()lEq(,)()()rl()()rldr32q(,)Eqe()ee(,)EEEEeeeeee()()()()()()()()()()EErdrdE(r)EErdr(r)(r)EerdrerreEBrJreeeedlddlddIdlbasindacosdB3230223z22223bNdIBeBdBdxd2x2BeNIbd4)xd)Be0NIb223xx2232NIb203223dBdxxd2dB3NIbd23NIbd2dxd4d02.11图2x22207222720522252220075222227525d24152d2472d24520

6、5d4bd4db一条扁平IByIr0ln24ar1dx2.12图dIP(,)IddIdIIddIddddddIdIIIIIIIIrrrrrrr()pprFpp)rr,pr,p(r,p)(r,p)prpr)rpEppr)(pr)ppWpEr,pr,pprprprpr(r,p)(r,p)rprprpp(rp)(rp)(rp)rprpprprprprprppprrprprprpppppWepprFWeFWeIIdIBerppdqrrondrrqpprFmIIIIeBdIIIeBdeIFdIFmmmFeIIdIId.FIImrrIBeIdldFIdlBdlemII.dl()ddFFmIdeeIIdde

7、dId()II证明在不均匀的电场中，某一电偶极子p绕坐标原点所受到的力矩为r(p)EpEpqdllprdlTrqE(r)rrdldlqErrdlqErdlErqrErdlqdldldlErErdlErErErErdldlErdlErTr(qdl)E(r)qdlE(r)r(p)EpE第三章习题解答qqqqqqRRrqereererrrrdedqqrrdrrrrrrrrrrqqereeerrrbrrrrrerrrrm,b(b)bbqrbEdPrrrrrrrbbrrEerbbbrrrrbrrEEE()rbrPrrrrrrrrrrEerrrrrrrEEE(r)rPrrrrEeEerEEE(rr)(r)

8、rr(r)(r)(r)rdrdrrrrdrdrrrrrrdrrdrrEerrrErEdrdrdrdrrrrrrdrdrrrb(b)rberrbrberdqrrbrbebrebrbEeeCWFdlqEdlqEdWFdlqEdlqEdEdqddq)dCCCCqdq(J)PPqqddqCqq(J)LlE，并用EdrLL(rLlr)lorllLLr(LLr(LLLlrLLrldPrrrrrdlrrdl(r)LPrdErdEdE(r)rr(LrrLLlerlr()rLEELrLlElrlrlrrrLrLrLrrlLr(LlEerEdlrrlrrrrErEdlrlrlldlrnrlrlrrrrrrqq(q

9、qqq,rr)()rr()()(rrrrrrrrrrdr(rrrdr(rrrr(r)()rrrrrrrrrrErErEererrrrrrrrrrerrrrEeEr)hzlrn)rn)rr)l)(l)hz(r)rrrr(r(r)rr)rn)rrrrrrrrn)r)(r)rr)r)rrrrrrrr)r)(r)rrrrr(r)r(r)rrrrrrrrrrrrrr(r)r(r)r(r)rrrrrrrrrrrrrr(r)ree()()()ee()()()eee()()()(i(iii)(iii)(iisinLeee。（LLLLLLeLeLLLqqddLLPPPLrrrrrdqrrrrErrrrErEdr

10、EdEdrEdrdrr()drrrrPKrKrr一常数。（pdKKrrdrrrrprerrKEEPP()r()rPKprdrKqdr()rrrr()rrPKE(r)qE(r)EdlEdrEdrKdrKdrEdrrrPEdr()r()rrKK(r)()r()RKdr(r)()r()rPEPEEE(E)EEEEEE=2=3=0EeeeEEE,eE,eE,eE,rrrprrrrprrErr(,)EaErr(,)(,)bdeE()r(EE)()eeeE(,eE(,EE)E(,)E,E(,EE(,(,(EErErE(,)E)EEErEr()ErdEEEEEEddEEEEEEddpedE()EdddEEd

11、Eeepddp下Ep上()dEE值；（EEEEEnEEE()EEop()EEopE(d)EE题）。EEEEEEEEEEE()dqqEq()dEdCq()d)qqdddm2mmrErrErrrErVm(rm)rrEVm(rm)r(,)JJEJJJJJJEJJJJbIJdIJerIr(r)rrrrrEJIE(rb)(br)bEbEdrEdrrrb)b)rrb)b)bbIb)b)Jrrb)b)EE(r)(rb)(br)Errb)b)Errb)b)eEeE()rrrbbb)b)b)b)ICb)b)Kr)KIJeIrrEdrEdrKKrKdr(K)Er(rK)rIKKUJer(r)II(K)rKrKKJ

12、KKrKrrrKrrKKrKKrKqqq(ddddeJKKUeJ(K)IK(K)dd,dddqqqqdd)q()qCddJEdIddJEd()dddrrdddJEIJrrII(rr)EJIdIIJIrEdrrIrdrIIrdrErdrErEerIrIJedrrrIdrr)bbJEerrdrElErlrEdrb)bbbldrlrErrbrEbE()b/)bbeE()b)(b)EeWWqlClbEbEdrClbbldrlrqb)qlrEEdbqlrdrqlb)qlrCqWeqEEEEEEEqrErEqqEroEdrdrqEdrdrq()()qr()qCCWqqqWeWqqe()eqreeeerer

13、eFerqdddddeeggd()()ddLC(L)ddW(L)eLFeWed()FFFddegFmgggdggd()dggd()()pFCPF)FWC)eWeNmdddddqbddEddWdWddddddWeEddeCWddddddWddddWWWd(dd)qEeeeqdqWCeddddqqEdqdEEEEEqEdqdEE()qq()q()()qdWedd()()EEdEEEEdWeEPEEEEEEEEEdEEdEeEeEeEd(R)(ddEddE(EE(,),)(,(,)(,)(,),b(,)(,)onb)bn,bb),ibn,bdb()d)d(,)(,)(,)(,)(,)b(,)(,b)

14、,bbdbddb(,(,)(,)bdbbnnddbbbnbbnbnbddbbbbdbbdbdbb)(,bdnbbnbCW(,)ddbdbdddbdbd)dbdbndndnddndennbdbdbd(,),)(,(,)(,(,)(),(,)(,)(,)n)nnn,enin,bb(b),），可得mnpmnpmnpbbmb()()()mnpmpmnpbbmnpmnp(mpbbp()()()(b)bbnbbbbnbnbb,b,n,bql(0,d)d)qld)ql(,)(,)q()q()ll(=(,),0()q(=(,)(,)()l)d()oql(d)(,(,)(,)()q)l(d)nnqlnn(dql

15、d)n)ndenn(,nnndenn(nn(,)qll,qlqlq,lql(,)(,)q()q()ll,(=)(,),o(=(,b)(=(,b)(,(,)q)l()(,)(,)bbbb)()()bbbbbbbbbb)q)()l），可得bbbbnnnnmbbbbbbqlqlbb(bb)bqb)bqb)bbb)bb,nnnbbbbbqnnnbbbbbl()ql)lqnlnnnnl,lnnnbnnnnnnbqnlbnnnqnqnnnbbbEl,lnnnEEEE(r,)ECErC(r,)(r,)(r,)(,)C)(r,EroCr)(r,ErrEoEEr,rrE(,)eEeEeErrerrrrrEErE

16、Er(,)(,)rr,EorEEEEp)ro(r,EE(r,)(r,)ro(r,)(r,)r(r,)Err(r,)(r,)Errrr,ErrrEEEE(r,)Errbor,rErrb)(b,)(r,)r()(rb)b(io)b(,o)b,b,ddnbnbdbnnn,bnb,b,dbnbnddbnnbnnnbnn,(r,)(r,)()(rb)br(r)qlql(r,)qqlr,q(r,)r,qqlr,llplpqllrrrrlr,rrorpr,(r,)(r,),)(,)(,(r,r)r)(,(l(r,(r,)(r,)r(r,)(r,)r)(r,)(r,)r(r)lAaAarlrnnrqnnnln

17、nnnrrlnrnnonnnnnnnqlrrnnnrrrrn()nnqlnnnqq()llnq()r()rq()q()r()rq()()rrqrnrq()qlr,lrrrr()lqlr,rrrrl()lqllnnllnq()ll()ll()rr()r(r)r(r(r,)(r,)r,qlqlrqlr,qr,llrlr,qlrr(qrlql(r,)ql(r,)(r,)(r,)(r,)(r,)qlllr,qlqlrrl(r,)r,(r,)(r,)r(r,)(r,)r,)l,(r,)lqlrnrrnrrrnnn），得rrqlCqlrql()rr,qlrrrr(qlr)qlrr)(rrqqll)r)lr

18、EEErEEEr,qlqlqlrCqlrr,q(qrqlllqEEq(r,)(r,)(r,)(r,)EErE(r,)(r,)r,rrr,rdqC(r,)Cr,ErrrECCCr,ErErr(r,)ErEr(r,)ErErrEEEr(,)(,)rroEEEEErEE）。EEp(r,)(r,)r(r,)Err(r,)(r,)Errr,Err(r,)Err,ErE(r,)EE(r,)E()E(r)rrr()preErErrpprroprErerrrrrrrrrr(r,)r,rnor,r,r,pppr,pp(r,)(r,)(r,)(r)r,pr,rr,pinnnnrnnnnnP)nrprrrrrr,r

19、rrrrrrrrp(nprpqqdorrnidneeH(r)H(r)oJHHeHerrrreHrreeHrr，则得到球面上的电流面密度为JePrrrrrrr,rEeepr)(r,)(r)(,)(,)()Pr(r,)r(r,)()Porrrrr,PrrrrrrrPE(r,)()rrrrq，如题(r,)(r,)(r,qqrrrrq(r,)(r,)r(r,)r(,)(r,)r,r,rnrrrrrrrrqornnnnqq(r,),rqrP)nrrrP)rrP)r(r)r(rql(r,)rrrror,r,r(rr)r,rrqqrr,rqdzdzqlr,qlrdz()P)rrnrqlnndzP)rrrrP

20、)rrrrrrrrrll(r)(r)rr)设球面r,)(r,)o(r,)(r,)(r)(,)(,)rrrrr,rnr,rnr,rnnnnnnnP)P)nnnnnnnmnnnndnPn），解得P()），解得P()Prr(r)rrr(r)qdoq)qqqE()qqqqPddWqE()drddeqqd)ddWWoqqqqqqqqq(2,oqqq,qq,qq,qq,qmqmqqq(V)qmqqqqqqqeq()qqqqoooqbemgq()mgrrrhq，求：（电位；（qqb）、qqqqqqqqqqqqq()hqPP()hqpEE()()(r)qdrdrrqdrdrrhqqdqqqqdoq(d)DDd

21、rqPPPq。（q；（qFq()qqqdqqqqqq(q)FFFFqqqqqqqFFqq()pqdqqddqdqodqrqdqqdqqqqpqd)rrrrroqqqr,aDaDrorr,rrrrrr()rrrrprprprC()EprC()rrrrrrpp()rqlqlqlqlqlddhhhqlqqhhqlllld()()Fhh()qllCqlWCehhWe()BeI第五章习题解答BeIIIrBdBdIdIbdbIdbdddddddIdIbdbdd)dJBJJJbJBdlIJbJdrJdrJrbbJrbBrrbobbobrbbbbbJJrBJrBJrrrrBJrbrJrBJrbrJrBr(rb

22、,r)rBJrrJd(r)bbBBbbrr(rb)bbbbbdoobJH,BHee,Bee,Be,BBJHrrrrrrrrreeeJJHBaxeeeeJJHBrr()JHerererrreerddJrrBJrRBrd:BrBrrJ(r)(dJrdB(r)RJ(r)RJrJrdrrrrrrJ(r)rJ(r)(r)B(r)rrrrrrr(r)r(r)(r)rA(r)B(r)(r)B(r)rr(r)(r)r(r)(r)Jrr(r)(r)r(r)JrCrr(r)CrrrrrrrrrJCJCCJJ()(r)Jrr(r)JrJ()rrr,rbIB(r)(r)JrrrB(r)(r)rJrbIP(,)(r)r

23、pmrrpmBBdIdBdrrdl()()rr()dlCdldrrdrdIderpeer,rrIrrrrprpmmrrrpmmrrrrrrepmr()reeerrrreerBBmrrIeerrIeJeeemmJmSreereeemrr()IeBerBeBerIrIIBerrrBH()IrdrrdrrdrrdrrBrIrBdlIrmS=()IdlJ()(r)mmIImC)I(I)m()IJ=erHHHBBBHHHl)PHdl(P()PP)()(PP)HHlIHdl(P)(P)IHHHBBHBBBHHHBBBdddldllPPlllBdBM(M(M(lBBBHMHHBBHBnnBBHBB)rNIl

24、rrIIolINIrLNrBBBHlrlrrlrl)rNIrlrl)rNNWrIlrl)rWmmrrlWmWmlrlLmmLNWmmmIILImmNNLImNImImmLImLImWmNINWLImmmNWmlllllwwIIllIrww()lM()lMllIIrr()wrrw.wrrw.ldrIl()()()l()(lMI()MbbbbCIbIrBBddrrC(bC)bbCbbC12Impb+b+如题nIII环路定理可得螺旋管内的磁场为dddmdnIdFdWmdInI第六章时变电磁场有一导体滑片在两根平行的轨道上滑动，整个装置位于正弦时变磁场Bi.ibdBdeedidtBEBereBerrPXE(r()re