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Test3 Nov 2006a

# Test3 Nov 2006a - -— Physics 1322 3rd Hour Quiz —...

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Unformatted text preview: -—-' Physics 1322 3rd Hour Quiz — Benbrook Name: «7 One point per question Show work 1n space provided. ) Write the Biot—Savart Law for a line circuit described by the space curve c carrying current I. . 1-5"): {if I §X(V’T') I 4'13 1" (1‘ 1": .9 How would you calculate the force on a second circuit c’ carrying current I ' in the ﬁeldofparta)? \$317 _,_.1 M111]. ég Out {J—J’rrw '2.) I IV?” ”(LI 1 1‘ @Write the Lorentz Force for a charge q moving in ﬁelds E and B with velocity 13' V” . goat as) K Ed) A charge q of mass m moves perpendicular to a uniform magnetic ﬁeld B with ’g ‘8‘ velooity 13'. What is the radius of the circular orbit followed by the charge? e))What is the angular frequency that describes the motion of the previous problem? 1. W 1: i '3 m I ‘30 f) Write Ampere s Circuits] Law. emu MIN 1 at is Newmann s formula for the mutual inductance between two line circuits? November 28, 2006 /” "4 “5‘35“ ’79 ' c0 #97an the four equations {hat we ref to as M ‘3 equations (in vector differential 1 orm) VI; —.-..E€‘* Vr?= '2' a») a 3+ 1- ,. 9'910 W13: Mia/wag: l r figive expressions for the complex impedance of a resistor R, a. capacitor C, and an inductor L . __ __ J— . -. . ume that a plane wave in a medium of refractive index 111 is incident on a plane I I interface beyond which the index of refractiou 13 112. The angle of incidence is 6‘- , the reﬂected wave leaves at angle 6,. , and the transmitted wave leaves at. angle 9: . What is the relation between B,- and 9..- and what is the relation between 0.- and 9,; '? A was 2712:1159 ' «us ‘5 O 4 9,‘ -':. ef- /W,_..mi..h 1. A square circuit of sideWA long straight wire lies in the plane of the square, oriented an 1 o___t_1_1§ \$1.1m circuit are parallel to the long straight wire with the nearer side a. dist 0'93"}; awe. The current in the long wire is also I in the same direction as the current in er side of the square. Find the net__f_9rce . . —.——;—-ﬂi=“—-.—"=.—- 0n the square circu1t. (20 pomts) M I? "4. i E A}! 5:- (.1 2. A disk bears a uniform surface charge density a and spins about its axis with angular velocity u: . a.) What is the magnetic moment of the disk? (20 points) Mmrdrdﬁ watt-SM ’“ ‘ 9L6 .‘ {if m u) 11—; MT" §d1('ﬂ'ﬂw’) ® 0" “eds-’0'” V a i at?“ ﬁﬁhld’wg'f‘dv L". “1.; (Von! 9‘ o , 1 63' ﬂ ,6 "' M107» 6‘ A, \ =a~mbrw Mr WJ .. - M 7.; T‘ OK 0'00 '2. HR“ I’D 16—: b) What is the magnetic ﬁeld produced at a. point on the axis of the disk 3. distance 2 from the disk? (20 points) 3. Consider the AC circuit below. F“ 1......3 r 3:. "“ E {:- J’." 57": #- JV luv we” w r}: R 0;; L (wt 0 , : "' - L i I T { w *3“ (z L—-—-—--—-—<—-—-—4w-—w .. ZKZL Z 2 Zurr 2&2; * a ‘- RCEwLi'iLL-C RCl‘WL)-r ﬁCAEWL +3 1% Rflub) +(E— ¢r+ch> :: :____+L’(QWL—Q£C; Mﬁwt T R “" (67‘ {wt «12 Wuppﬁgﬁ’) \$9? uL) b) se your answer to determine the amplitude and source to the circuit. (20 points) _ giaﬂqeihifﬁ '2 -= {*7; piam o Uoc‘w" 'whh '( .r‘ “L 1 a e me We” ('0 “W KwL-J 01qu m ‘5‘ W I? ,E m;* t \e "- .z m H” "WWW M “WET—m “ ' (76) (3‘1” 'L c) pm m c) Make a crude plot Wt amplitude as a. function ofP w. (10%oints‘ t ‘Kch—z' / C (dc ) ”W‘RTC 4. Two converging lenses each of focal length f are separated by distance 3f as shown below. An object is located 4f in front of the first lens. €\ l_ i i b) Find the location and magniﬁcation of the ﬁnal image formed by both lenses. (10 points) m 3:4 = .5} 3 3 4w— £52..» : 4a a ; :1 __ POL’QHEII (5:531 rm: Kin-Far, .5, k 5(ru:_: -nLJ r'. ' .,. r JC’I‘H‘... 0dr . U; \_ CHOQeJ‘ mm? . ,1: bani—rain. "’ ‘ _ _ . MS? N031“ {g‘ccg‘ﬁg'am :i _ 1L 5L __ __?’>_,_ ...
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Test3 Nov 2006a - -— Physics 1322 3rd Hour Quiz —...

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