Q7 - 1. Two infinite parallel wires at a distance of 3m...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 4
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 6
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 1. Two infinite parallel wires at a distance of 3m carry currents 100A and 50A in opposite directions. . V ‘ (Sec-Ln a) Calculate the magnetic field at the location of each wire, due to the other wire. b) Calculate the force on each wire due to the other wire. c) Is the magnetic field zero anywhere? Prove the answer by doing a calculation. _) .1 V {5-1 fi' .4 \ Foggy) 04 HVJrHIJ) 6 (ox'fllll JJvJ/l Jag.) LX _) .4 _> Iitwk “‘3" ja'gk 53/31; M3floi/t W w, 1 NH“ 9 q‘r F 3 &v r ; J I M 5%] “Evan MR.ka J 0t 5i : MAefiqvxto” 1;”. ( > . | "0“ — A» “DA ,. -(, / arm J: é.é7xlo T3 (D 9,4 3,4 ) ‘J’ I ‘4.» .\W Two 59: {2,13 ; MO 7 (WALK . Drt"(3/-'\> -—3 __\ 2;) F .: I L x [3) TWO W‘W N‘TL (/Jrc’vt'h {54013.3 Jw‘veetLuj ® Ol’vJNys eec-L. 3"“‘0. / 7: 5 —. failing) :‘twto 4; (lmllmtl . art‘m Q (3%) (F?) Pie/H :w‘re 1 W Q” X AW («*X "We :\ E“, 3 0 r X _, 0‘ ~ é A—ILJ0‘7} q “9‘1 90'“ V X 0‘” If: ' ” week, i F3 l. A very large coaxial cable consists, as in the figure be10w, of an inner solid conductor of radius a and an outer one of inner radius b and outer radius c. Assuming equal and opposite uniform currents i in these conductors, calculate the magnetic field for ( (a)r.<_a;(b)aSer;(c)bSrSc;and(d)r2c. CD AID U ‘J I) 5 seal-7L Eidficfloj'w AMero/x [03175 We 3’5? (,«V‘elo; _ 2. A long hairpin is formed by bending a very long wire as shown in the figure below. If the wire carries a 10 A current, what are the direction and magnitude of B at (a) point a and (b) midpoint I)? Take R = 5.0 mm and the distance between a and b to be much larger than R (each straight section is "infinite"). ( Seth/1 ) 5 4&0 5w p .._'_. Pmum 30-1y .\Ra .b i MG (“MK qvfi / E :2; ; my, (all 52 fitttfifltrafie) LOW. .Avnl EL?“ : . W91»? II._(;M1¢.f+/vme.> 1 Ed - : l .' ._ . Quill a _ or 5V“ 8&qu 61» ’v {4.2}, 17 :. qi’fl‘oq 35‘on) ho. WK Tr(90rlo"’/) m2, 7 Roux/w Q W‘dex I"; you Curd/xx!" LVOW WHfiM ; ,'(< "J; 1 JZ J : M M g?» *F r (3)“! “(VC‘WM’N’Q 11' r3 §;A«fl—fijm = [all L? (“1&2 Lin—(8 £11. 3°}? 0"¢V’“‘RFQA¢€/ : vvk‘ ‘Hrfi I é—f-‘X J K 9 M M) 9/9»; 41” F) ‘Pn’ (3 g *3 L 4,; 8:, fsMbM$ jig} IA Ly “W Q r1 qrr «(3(th A é‘m F; ix3+R7) Na §\&" g g a f“: MI). K IL [3%3’” NWW’J L7 ZA”) w (:2 Rafi a w— [$47 ,) Ran MEVH/ wIWL/ 5;” 061 0L>-do) 0&4 welawc/ g’; /_:>EE<1’— - ’—0-°—)-//3ZE.3 3/2.??? QVR 00 0‘) q“ awk FD" at Seh5"\£";" WW) 1:99 W} 0‘50) Wflbtl/zwo “‘5, all? 21 ~— _ AI“ 8 q—nfz ()3 _ O) '5 qu if Tie, save, ‘Far 'Hg/ Lo‘Hon ww. FUN-+1 7Q”. aphid; QWK’XQM) MAJ Mb 0’! flex/5W; page. 3. In the figure below, the long straight wire carries a current of 30 A and the rectangular loop carries a current of 20 A. Calculate the resultant force acting on the loop. Assume that a = 1.0 cm, b = 8.0 cm and L = 30 cm. (Sec—My, A) A150 see, HU Pal/em 3 0‘3 g/ n.) wealthy, amt.) m4» Eon-He me We my 0} wt L w‘ll hm, M M Hm Hat wit QMJW own Mall at»; MW my»; @ ._3 BMW fihfi Mk (9059, 45' 6-” foehtjj LLLWJ \MM, ~13 339'ch mFM-kwtw/ £9 3 ; full m Q“, U u ® Ml‘ llcpago) ; [4011 11L . 3’ ® ( lrwl {V M”) New“ ‘3 gr COIN—0+ AW'lv-DAB >7 \ 14mm 12 (somtaoAxoaomxomgwl 3 3:: 3.1xlok }W(o,0r,(>(o-c>t,x+o.06fl 3. A rectangular coil of wire carries a current i and has a width 0. lfthe lower end ofthe coil is held between the poles of an electromagnet of strength 8 and directed as ( shown in the figure below, calculate the magnitude of the force F. ‘FQJ’J’ 5944'?“ 5) ‘77 He Coil. OJ; 00” will CMQJ 0J+)$\\4c{/ vii“? polar M opflosyk‘la 0&W%wg\ (My (3 MPQ/F—MJwWle)$O {ZKE}= L5 ...
View Full Document

This note was uploaded on 03/23/2009 for the course PHYS 2b taught by Professor Schuller during the Spring '08 term at UCSD.

Page1 / 6

Q7 - 1. Two infinite parallel wires at a distance of 3m...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online