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quiz6 - PHYSICS 28(a QUIZ 6 CODE PROF SCHULLER MAY 7 1999 l...

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Unformatted text preview: PHYSICS 28(a) QUIZ 6 CODE # PROF. SCHULLER MAY 7', 1999 l. The figure below shows the cross section ofa wire which has a total current 1 flowing into the paper in the inner conductor of radius c, and a current I flowing out of the paper in the outer cylinder. '3 «it imma— "new wk e32? Calculate the B field everywhere. "3- ?“3” ‘3‘ ' PHYSICS ZB(a) QUIZ 6 CODE # PROF. SCHULLER MAY 7, 1999 2. A wire of 62 cm length and mass 13 g is suspended by a pair of flexible leads in a magnetic field of 0.44 T into the paper.. What are the magnitude and direction of the current required to remove the tension in the supporting leads? See figure below. -F—5:‘TV\& x x “we: " x ATP—Ht: Z k 17%: x x ”-h _ e ‘ < ,Avg kc: \" 4‘ i0 (“#4:th kQ—w a M U“ “”6“ C) M ‘“ r» V- H. a JV l. “meat: ,1 v 9 r ‘57—!) " Ame :7 Mo: LSUE. \‘ V ELL 1": a M0. <0 0‘3- ME’DCO‘FS “($19 -"" Lt. .—-—------—' C. : %i [o 44T)(¢.L92. me} 6497 0 m QWTW¥ aimed; 92,742.. XV,“ T)- PHYSICS 2B(a) QUIZ 6 CODE # PROF. SCHULLER MAY 7', 1999 3. An electron with an initial velocity in the idirection is placed in a uniform magnetic field in the :2 direction. (a) What is its subsequent motion? (Draw a picture). (b) At a later time a uniform electric field in the fidireetion is turned on. What is the electron‘s subsequent motion? (Draw a picture). “ U\ A.___‘JW;> 11"" .r -. (”\kl— RAMA V UK} :\\C \34 '2. #4ka Mots-\J(LA\JQ1V \j‘ x E in: 850 in" \ K; "3:3 ANHJaM . 50+ go, out or JeA-w‘im \ r +\L\l KC if ‘i’lw—L MC?) N—(‘Aj (AA-5M OOJL$ .Qu ) "Hut C1 (cult’al {‘3‘ \3 JV -I‘V\ Ku- pica g 9 K“ M I ‘3 r’: _ 1: \tr. \L.-.n_ G —\ A..- 5.? l'£7 7L4 Jul—v1; g—e,\.L Lewes & MESE¥\M .1' be m (”he (em. :9... m5 mine] was; Lei-Ks— m «whin- Ecétuuué \\ Add. Misc win L 1”: gig L'buslfi mmi comb.“ L PHYSICS ZB(b) QUIZ 6 CODE # PROF. SCHULLER MAY 7, 1999 2. A metal wire of mass m slides without friction on two horizontal rails spaced a distance d apart, as in the figure below. The track lies in a vertical uniform magnetic field B. A constant current I flows from generator G along one rail, across the wire, and back down the other rail. Find the velocity (speed and direction) of the wire as a function of time, assuming it to be at rest at t = 0. __>. ___> —-—'\ 1:: k LXE L) L B j-Jt‘wcchcn/HQ, F;- (EVL% W ~ T: ‘53 1A t=Mo_~fi> OJ -— 7" -— erg fiOBH M 0‘; Might/m- ‘. 1A3 \l§_;\lo+ofh "' 0+ Vt / jig—i3 ‘Po‘lcke a: \i: «x30 Leta alfcc‘fio» PHYSICS 2B(b) QUIZ 6 CODE # PROF. SCHULLER MAY 7, 1999 3. An electron with an initial velocity in the )2 direction is placed in a uniform magnetic field in the 2 direction. (a) What is its subsequent motion? (Draw a picture.) (13) At a later time a uniform electric field in the 2 direction is turned on. What is the electron’s subsequent motion? (Draw a picture.) C\%Ai \Aougi} folk; \“CSMHTBR- Coqdrwdockwiug £1:ch W G}: A rec—Vim (,xrou\ar mbti— bqj. LA (35518.0. A “Q lb 29 :3 ?LM $2093- OWO$(+\-Q, J {ABLE}; Laurie's EX ~85 AVG 5&0 "A‘ LA, % A} fflcHtww WEI We; . Amt. We} wow}; (33%; i +ng LEOE..:_E '53. Aoufw®fa¥é ...
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