大学物理电磁感应电磁场习题上海理工

1、dtdtoababodddtdtoboabSdBdobob0d lEoboaoboaobaboboaboboa ABAB(D) ABAB(C) B A O AB(B) BAB(A) ABABBAdB/dtB2. D BA6BABLVV21BA180OABLBxdxVV3242LAO180OBBLBxdxVV321LBOiBxdxvBdxdxBvddxBOdxO Bx BA(D) BA(C) BA(B) BA(A)3OB 1BC BCOOA CBAB A 1. O B L a (D) (C) (B) (A) IIIIa A 6. 00a22mw01BI22Pa21BBB0Ia221BB0I21B

2、BBPP 0a20 . (D) . )(C) 201I00a22a2P I2a. )(B) . )(A) I 0022I1I1PIt 0 t 0 2a5. C(D) (C) dtdtLL t 0 t 0 dIdI(b) (D)(C)(B) (A) (B)(A)(b)tt 0 I(a)(a) tI D 4. I 212=21 (D) 12=21 (C) 1(B) =2(A) 1221 1221 2 SS21122112122121III212 SS C 3. 004242mLLw VW d01d1BnI222216_/ W2=_11 W =1/4d / d214. 21A21x20i)(V101

3、.11ln 2dxAB500IvIv11x21x2idxdxvdxBvd00IvIAAdxABxBABrr2B 0I1 m1 m0.69) V101.11i(ln2 = _A _=BAI5I = 40 AABvv =2 m/sAB3. baba2121L L2LLLbaba2121L L2LLLbaba L =_0.05 H_babababaL =_0.2H _babaL =_0_baba0.05 H)(bbaa2dtdtdttNBbANBbNBNsin dxdSdtsinNBbANxt ,x =Acos BbBN1. . 2mLIW21 2xdtx2dt44v00rIR33dxrIRd222

4、22x3BS0rIR22xR22x22233RxB00IRIR22RIxr)vx(Nx =NRvxIx RR rxrR2. 20dlLsinB2sinLBL222dlLsinB)dlcos(LsinBgd lB)(v2d lBvgOLB OO BL1. BO. ayocx cOxvv_a_, cayaBvl sinaOc =_UcaxacBvvBaOcxyyxy(aO =Oc =L)aOc5. 3d 6 cmObOaB1a O T/sdB /dt =1 R abcdb Bc R =10 cm4. adta2dt0tcos100lln250NlnNN0adadIdlda2ln0adIl2ad22

5、1Nlv0Iaad222NlvvlB0Id211NlvB vl0Id lB)(v1tI=5sin1002)aL(1vNdI=5.03. R2N24v0rI32NRx B l22vmgR(2)lB22e1vmRmgRtlB22RgvlB0022dtdvtvRdtgvlBdv22RmgFmgmaB vl22RBlIdFvlB22RRI(1) Bvl(2) l, mtvab(1) abRbaabBmlababcdBBabcd6dcNST105B2qRBSRRdtR111tt2ddtdtIqNNNd222ttC104-5r=30R=50 N=160S=4cm5. 2 3t)costtsint(tgKv/dtd1233oo3tgtcosKxdaatgtcosKadaBatg13xxdaatgtKacosddatKxcosBatga22N MtgtBv) /dt