Physics2_Test2C

Physics2_Test2C - /‘'6 Hard Stuﬁ‘ — 20 points per...

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Unformatted text preview: /‘ '6; Hard Stuﬁ‘ — 20 points per problem. Show work on separate sheets of paper. I l f 1. A iine charge on the 3: -axis is deﬁned by the equation I”) ' ,1 =10 (ﬂi 1.1.1 < a _.. :0 (I; < l'Tl: v: f a: .3 l; #1; £9 a) Calculate the electric field at the point (Zn-,6. V fl -,_ Lit 7 ’l b) Calculate the electric potential at (2:2. 0) '. -J j 1A \olume charge densit} is speciﬁed .111 rectangular coordinates by p=U , —o-o<z< a\/} :pezfo . —a< z<e J (“Cf Li“) =0 , a<z <00 Find the electric ﬁeld as a function of z . Make a sketch of the magnitude of the electric ﬁeld as a function of 3 . 3. Calculate the effective capacitance of the combination of capacitors shown below. ;-—~‘.‘ “awe—alimue . l {‘6 ' ' ; l "2.3-“ i ‘ " ' *— .' =r i ",- 4" f i l i . f i a . ,- ‘ ~— 1 i ; 4"” ‘ ' ‘ (To f (1 x‘ .- ,1 . . E Z “a inn. his.“ .-.. i r 4. Find the currents I; and 12 in the circuit below. r C; _ f, _ (- _ _. / I» : .1 7! __ (‘2- Hﬂéfftﬁm‘ “-5., I I _J l P 3 C ‘5 C" . ,1- he,“ -—-a rm — 3 :1——1 1%. er 19—h Mae-“'7:— ... T: 11?; - P—"‘—_ i in .I _ f: " . Q C b?" i ..I-— :1“ Xi; j; L/u f! L___'_ _.._. ——~*A~~M----—-~~~-a~~~ -.____.,c_.__“____._.= 2 7H.“ _ / This is a timed exam; you must stop work at 6:50 PM. “'rite your name on the top of the ﬁrst page in the form LAST, First and turn in this copy of the quiz with your additional pages of work IN CORRECT ORDER! DO NOT fold the papers or insert them inside /. the quiz. They will be stapled together. J \vu-l - I .J' L“ — v r, .a. P ...
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