q6 - PHYSICS 280.1 QUIZ 6 SPRING QUARTER 2001 PROF...

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Unformatted text preview: PHYSICS 280.1) QUIZ 6 SPRING QUARTER 2001 PROF. SCIIULLER MAY II. 2001 For :1 capacitor (iv = Q — d l _ E-A (’iuuss’ 5 Law él’i ‘(1A = —J p (IV (' = —-‘-'-- (I’urullcl PILIIL') - F0 \ d I’ - _ I I ( , , . mrmnmn Ur mcmml v =j I: - dl U = _2L(L bleclmmuc hwy) ‘-'= 4m“ 2 “j I". 1 L mv 1'”:R.0.x.|0" ., R =p.-. R=-— Nm‘ A qH E = —\7v v = R1 RC Circuits Churging DjjfcIIflj'Sing F = qv x H ()(_.e""“"' F : 3| 4 :=< H L {Q}; / RC'JL-“URL” r :11 7“? B I In [11C Circuit of the t'igurc below, If : I2 kV, (‘ : (3.5 ,uF. Rl : R; 2 R. = 0.73 Mg Wilh (,‘cmnplelctly umtlnu‘gcd. switch 5 ix‘ suddcnly Closed (:1! I 2 O). (u) Dclcrminc‘ lhc currenl through each rx‘sislm' {or I = (I :in I: m (b) Dram quulilulivc‘ly a graph DI the polemiul (III‘IL‘I‘CHCU I": across R: from I 2: O [O I = ml (CT) \‘v'hul uI'c lIIc numcricul value.» ()I‘ V: at I: (i) and 1:02? (d) Give Ihe physical meaning of "r 2 m" in this case. PHYSICS 28(u) QUIZ 6 SPRING QUARTER 2001 PROF. SCHULLER MAY 1 1.200I 2. A beam containing a mixture of the isotopes 6Li and 7Li enters the region of" the uniform mngnctic induction BU Vin Slit C in the magnetic spectrometer in the figure below. It thc ('Li ions are detected at a distance of 10cm below .xiit C. where will the ’Li ions tippcnr‘.’ What is the ratio of the kinctic encrgics ol' thew hm isotopes? Dcn'ctor 1. A Wire 0162.0 cm length nnd 13.0 g muss is suspended by n pair of flcxiblt' lunch in u inngiictic licld 0(0440 T txcc figure bclow), W'hut arc the mugnitudc and direction of the current required to remove the tension in the. snppomng leadx“? {~— n'm yin ~—--‘ I. (BONUS) Name an important invention in [hr iiicld ofcicctronicn. QUIZ6 SPRING QUARTER 2001 PHYSICS 28(b) MAY H. 2001 PROF. SCH ULLER [1 ‘ ‘1 i a J ‘ l i . . Coulomb' 5 Law F = q'?‘ r For a czipiicnor 41:13” r’ CV = Q — — I 8A Guuss' 5 Law :fE -dA = ——J p (1V C = ~3- (Pui'i‘iilcl Plate) ?- 1‘.” ‘ d I' ~ — I I L Definition of Pulcniiul V 2“. 13d} U = —— w Z 9‘ ii blcclruslulic Eiici‘g.‘ '~' 47!)“) 3 H.) I", . . _ C l, rm‘ s,:8.$)><1()" R=,)—. =._. Nm A q I: = 367v V = RI RC Circuits (Rigging Dischzir__g_i_i_i_g___ F = q\' :1. l3 (—‘€[| _ ll-URCl] (QUEPWUJ F : ii , >1 R (5/ RM W“ — (‘Q,__, / Reid ""0 z' : H x: B i. In the. (‘ilCLlil 01‘ [he Figurc below, 8. =12 kV. (ii = 6.5 ,LIF. R1 : J : R( L 0.73 MS). W'iih C cmnplclciy unclmrgcd. SWitch S is suddunly closed (at I = 0). (:1) Determine the current through each resistor for I = 0 and I = m. (b) Di‘uw quuiiluliwiy a graph of lhc pulciiiiul difference \-’i across R3 fmm I = 0 to I: c (c) Whiil are the numerical values 01‘ \r’. at 1:01in I: oo‘.’ ((1) (jive the physical meaning of ”I = m" in thin cask“. PHYSICS 28th) QUIZ 6 SPRING QUARTER 2001 PROF. SCHULLER MAY 11.2001 2 A beam containing a mixture of the isotopes (‘Li Lmd 7Li enters the region of the uniform magnetic induction B” viti slit C in the magnetic. spectrometer in the Figure below. If the hLi ions zirc dctcctud til '4 distance of 10 cm licluw slit C, wlitti'c u ill the 7Li ions appear"? What i.» the ratio or" the kinetic energies of thesc tvm imitupcs‘.’ Detector 3. A mctiil wiic ml musS In 5litlcs without l't‘ititiuu on twu lint‘izmitzil tuils Slii'ttft‘tl ii digtunce d apart, as in the figure bclow. The track lies in a vertical uniform magnetic field B. There is, Ll cnnwtunt current 1' through generator (it along one mil. :icrum Ihe wire. and back down the other rz-iiI. Find the. speed and direction of thc wii‘c'g mutton 3511lunctiunul’tunc.assuming,itmhe SI;Ill0l12H’)’&lll=(l 4. (BONUS) Numc Lin important invcntion in the field rit'clcctmnics, F' . l3 4 C aC4S ‘« he +-5ao “ Break ”4% c2rcu14+ “4‘ 4"900. Curr€n+ °"‘l‘l “(low E I E I S ‘eru R‘i Kr—‘Rz ‘ ? .é_ R1; '3 : O ._ -4- “ I V2: .21: ~ 3.11%(0 A = ‘t 2 ‘2 : <9.21x(0‘*)(4.3 mosh} (—7 H : QOOV 093 v Va Hmae V7. m creases SW°°4U7 (Mm 4-00V +0 GOO V ‘ Pra‘ou‘o‘j J 0-! “as ~Corm 0C (l-efig") M4 yoU meeol moJc o‘raw ‘HAC emck (C3 See SWKQL “"‘ (kB (1\ + 9:09 ‘(vx ’H’JS («$6 wxekmS "(r ‘ S‘} ‘H‘ ‘ o M) JV 6 CRPAC2+0F [fwd—LS a K I Z _ 2 MIV ( K‘ ;M|V : M2 - W‘I @ BOMUS + V‘mmSiS’loV‘S ) toMS ka‘ve same (Large wt when}, wt eH-(‘f’ewewf WULSSGS K1 : (MZV 115 i R2 M2 '2. E Z W“ "‘5 R12R‘7' =(Sc~3§ B Is “n+0 X I SO Q X ol‘mec“ X ls “l’ (O (“3301 2) 'Cor 7.3a (£26 p.) B is J. Jto +ke Plane o~c +146 100') ,1 {our [MAS lens—Ha , 4. «MA Las Curreu+ \‘t "A \A r—S I [le=|\l¥fil= IDLE A A MQ :- 1:18 rI¢3L-\ \«awui rule SkyS IJLXB , 6k- .81 Po‘ka 1&4“? :, 4&6 wire wi” M accelerk-H +0 JrLe (lg-C+\: go E—Lg if '3 cm’ZBk QQ ...
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