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Test 3 Dec 2003Key

# Test 3 Dec 2003Key - Ember 2,2003 Physics 1323 3rd Hour...

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Unformatted text preview: Ember 2,2003 Physics 1323 3rd Hour Quiz - Benbroalc Nme:__léﬁ_%ﬁ_____; Easy Siuﬁ‘ — 2 points per problem. Show work in space provided; I. Twoline cirtuits carry current: I; and I; around space curves (:1 and Cu. Wzite Ampere’s Force Law for the force on circuit 1 due to aim-ail 2. M’o’l‘ T pet 1 »T'~h} 1 "53411156. ”F at {31:51:35 1““ 7 ”'1 a; Write the, Biota‘kvart Law for circuit 1 of the premom iPproblom. -. '7’ "'21) .2 " 11171' £359 -) It -11"! 3. “hits the Lament: Force for a charge 1; moving in ﬁeld: E and B with'velocity 17 . 1: 3 (£11713) 4 Ear the case of a charge 5 moving in a uniform magnetic ﬁeld B what is the more that describes the tmectory‘ of the charge? 111.11 5 If the charge of the previous problem has X11385 m and' )3 menu: with its velou‘ty is" perpendicular to the magnetic ﬁeld what is the radius of the circular orbit followed by the charge? 3..“ 12-: 137115? 6. Whet’ Is the angular frequetwy’ that desm‘ihea the motion of the previous problem? 1121-39—15, 7 Given a magnetic ﬁeld 3, how would you calculate the [once on a circuit c carrying current I in the ﬁeld? EJ151115 8 Consider a circuit described by the space curve as carrying current I and write the ; equation that you-ﬂ? evaluate to calculate its magnetic moment. =I jam 1’; £31141: '9. What is the torque on a dipole}; " in a magnetic ﬁeld B. ? d '; 3 161 A2 W { \$1,313 1 X 11 f9 10. Write Ampere‘s Circuits} Law. 1 _/7> .21 -> I . ' pat/'01 ’V + (O g5!” 3/11 a 3 YM " C” 1 , gr V0 1 3 \/ “A "v 1} l O http://www.uh.edu/~benbrook/l 322:1;13 .htm 1 2/ l 0/ 2003 1L Give an appmﬁmate expression for the magnetic ﬁeld inside a long wienm'd with N turns, 1mg“: 1 , and cross sectional m A if the: current. in the winding is I . 337‘: ”ﬁfeﬂf 12. What is the self inductance of the solenoid In the previous problem? L «(1% A 13. What is Newman 5 foa'mujn ﬁm" the annual inducégge bew'een tw Iiue circuits? M , ——;; § g 736% “P 14. What Is the magneuc energy “Ismail 111th 1A “Oi carrying current I. 9 2!: 7:21. I“ ' 16 Give an expression for the displacement. (11mm density. T"? :' 3J2} 9D gt. 15. Write the four equation: that weﬁer to as Mmﬂ‘s equations (in vactor diﬁmtial foam . .. r 4’- 6 , . ) 1713* Pt W H ' at * J5: oommmm {I gas-M 7 .. , ,4 - a v —— . unzip :7“?th 5:} a- N - 5-ng 5&3 17. Deﬁnemagneticﬂux a? - _ ‘ E'd% ' (,7 . Off é S“? ,7 ~ . - , , :0 b 18. What, is the time constant of a maria L R circuit? 8 {/5 \ (13 .r L W” ”r - ’27“ /R deﬁfﬂozodé 19 For an idea! tuneful-ma with N1 turns inthxa primary and. N2 turm-inthe secondary, . “““““ what is the output voltage V” («N an 1“input. vultage V—m 'I' , d E, V: n ‘30 If mutant 1; ﬂows" In the Mammy arithf the transfoxmar of the previous problem, what; is the current in the minim? I “'79? 3x 21 Give expressions for the opmplac impedance ofa resistor R a capacitor C and an inductor L :- ibi— 22. Compiex impedanoee “add” like W “W http://www.uh.edu/~benbrook/1322_q3.htm 12/ 1 0/ 2003 5i WM:W& 3 M=w4aaﬂa9 ‘ . I 3 V I > .~_~ #933ng 33:52 wag -_- was“. 2% (H5014: 549 ‘ £14058 N ("VII .. u 9951 M http://www.uh.edu/~benbr00k/1322_q3.htm 7 12/10/2003 http://www.uh.edu/~benbrook/1322_q3.htm 12/10/2003 LJ \ N \ <3 \ / \\ f a i A (\ \\ \ LY vs http://www.uh.edu/~benbrook/1322_q3.htm 12/10/2003 ...
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Test 3 Dec 2003Key - Ember 2,2003 Physics 1323 3rd Hour...

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