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Quiz_7_Solutions

# Quiz_7_Solutions - Physics ZB-Section B Electricity and...

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Unformatted text preview: Physics ZB-Section B Electricity and Magnetism A Prof. luan K. Schuller winter 2006 TEST 7 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A particle with charge 8.0 C is moving at 6.0 m/ s between the poles of an electromagnet in a direction perpendicular to the axis of the magnet. The magnet, initially not turned on, is switched on as the particle passes. Almost instantaneously a magnetic field of 100.0 T exists. Find the magnitude of the force this magnetic field exerts on the particle. A) 4800 N B) 2.1 N C) 0.48 N D)‘ 0 N 2) A particle with a charge of 3.0 C travels at 40 1A m/ s and encounters a magnetic field of 0.008 T that makes an angle of 270’ with respect to the x—axis in the xy—plane. Find the force the magnetic field exerts on the particle. A) 0.086 (‘N B) 0.044 (‘N C) —0.044 (‘N D) —0.086 (‘N 3) What is the kinetic energy of a 0.010-kg particle with a charge of 4.0 C moving with a radius of 9.0 m in a constant magnetic field with strength 1.0 T? A) 0.101 I B) 64,800] C) 1800] D) 255] 4) A tube with a 4.0—mm radius has ions ﬂowing through it. To determine the rate at which the charge is being moved through the tube, the magnetic field just outside the tube is measured and found to be 69.0 G. If the only contributor to the magnetic field is the moving ions, and if the walls of the container are very thin and do not screen magnetism, what is the magnitude of the current ﬂowing through the tube? A) 1734 A B) 867 A C) 276 A D) 138 A A long cylindrical shell 5.0 cm in radius is coaxial with a long thin wire. The shell carries a current of 4.0 A, uniformly distributed over the shell, and the wire carries a current of 3.0 A, as shown. 5) In Figure 2, a field point is on the positive y—axis, 8.0 cm from the wire. The x—component of the magnetic field at this point is closest to: A) +10 x 10—6T B) +18 x 10—6T C) -10 x 10-6T D) —3 x 10-6T E) +3 x 10-6T 6) A wire carries a 2.0—A current along the x—axis through a magnetic field B = 4.0 1A+ 7.0 JAT If the wire experiences a force of 22.0 (\N as a result, how long is the wire? A A) 2.8 m B) 1.36 m C) 1.00 m D) 1.57 In Name Code Number Version A Chum“ A\ (M) (Jo/I353 ‘c‘=Y-O(, ,v=o.o“15 , 1%.va 0-. \l 1* a 4 i‘ t (1W5 ,\/L[’>=5 5M6= *1 \H: o‘vbsme \Fl :qvﬁz (yo c)(¢,.o"ls\ (wouoﬂ = ll—l‘goo N = [Fll The ﬂak" WW} (ML HHS us Hui- F is M M Q Amman] Le. 0M» 9,5 m Phat. IF\-o\v135w\e = (’5 00+ “Iguanas ﬂm 1TH .oLM/v Al+uMHvd~D wc cox/ml brch 3 HP Mb com/om} farm. d A A B '- [3:439 g f’EsmeJ 4 *5: VBuse TX? F vBsme 't‘xj‘ QM} 7 SO'MH‘MS Qms‘h‘orx A3 (BM (-3) DH} _m= 0.0l \chl q: LLOL / [3: LOT} (3 c\.0m For 6 Par’h’LkL movvb in a Urudar Pom“ clue, h a. Mo‘svxﬁh‘t. Edd] we Enow Wu)? F: quS = m1 (ham m (as, can l5 ' ‘—I_r~ » B= 6?ch /F:L1X]O—3M ’ﬂoquTXIO-J/gl 0mm ’rw, bkx we kmw HM? Solv‘wa fm' 1,04 SAN) I= arrrﬁ , M0 840“ M “mum IJ me, mad +9 Pod" B we 5: mm. [O‘RT I 53 BIQC; C1 ‘— 64 ”10-47— 1% I=851140;“):9.2.524)- .Hn x )0“ N/A" 7-3 Quesh‘oa A5(B1,C1,D’53 (‘= 5 X m‘L m WC!“ Q" « Pow¢ (ﬁ-Oam \$00M \‘N WW6] On m Positive \‘Mdy Ampércls low ﬁns W) §EVAE 7/0me =3 ‘8': ﬂgfmc 347(- It“: LIA‘BA tiA 10%? 0(r m Putt On N 91:55ch \rmm) HAL HOW Mud {wk ’r'LHS MS hm?” Ht 8 {NM NS 0M7 an X‘ Lamforvmﬁ POM“? b m [Jeff (‘2 (:Uftéh an.) HM: ﬁg 1W 1947;pr N/AL)(\M -. ’Lsmo‘W‘z 3mo""T “ 11H“ "er (\$00») SMLL “AI- giﬂd POMh Q-c m «(CF13 “M. Cbmfamf I‘S Noah“ Bx: ~3xo‘“T A*cl 6- lo 8 ' A D- c Qwsh‘orx Ab ([53, (3,01) -| a A We, know HM" F: I} KB 4 F= aaNC= 2A[(HT)JZ ’ 0 7.1NE=(2A)(1THC :3 1- laA/ 4. 1,57,h awn?) ...
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Quiz_7_Solutions - Physics ZB-Section B Electricity and...

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