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Physics2_Test2C

# Physics2_Test2C - Hard Stuﬁ‘ — 20 points per problem...

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Unformatted text preview: Hard Stuﬁ‘ — 20 points per problem. Show work on separate sheets of paper. 1. A line charge on the I —a_\'is is deﬁned by the equation ‘J A 2A0 III < a H :0 i i a < '1' r '5? 1 /. ' ‘ I _l ﬂ _. _—--"” #F Jr a) Calculate the electric ﬁeld at the point. (201,0) . b) CaICulate the electric potential at. {20. 0) '. 2. A volume charge density is Specified in rectangular coordinates by ,0 =0 , —o-o < z < Ha. , ) vf -' I. L’ :.0¢.s_.fa . —a. < :—: < a "_ - (’CI‘ :0 a < 3 < oc ‘- \ Find the electric ﬁeld as a function (if 3 . Make a sketch of the magnitude of the electric ﬁeld as a function of .2 . 3. Calculate the effective capacitance of the combination of capacitors shown below. -'—-- -' L—HL _. ll. _ E ’ - =- 45; ' -. "z A - 1 I r‘ — '. til: at“. LiténnLh i=1 “'"r- a: ,a—- J4 i e- I i ii r; i ' ' ' L To v C ,r . "- ‘ Z w a 4 3: l a ,._____,ﬁ_,,.____i . -_ _ i i. 4. Find the currents I1 and I: in the circuit below. » C”; P , {- f _. 'I , ' 1' — L w i ‘ .. ” C _. r" , q, l g I? . _ - 7‘ J u ‘ ----~-v .§.----—-v ~---§;§t E—-vw—-—---——- T — :__—- I I __I ]____ _____H _ ﬂ . _ I, _ - ,— 3 L4. 9 v 1 i" .7— —.—n— ‘ :- = i _ j J :"z: ._ “1?”.- ‘ I" r ; ﬂ I i . = 3‘" __'.- - _ #‘__d__‘ ..__ _ _ _.___ ____ 3__ __ _ _ 2- L'— 2: ——/ .r/J H '- . ‘/ I This is a timed exam; you must stOp work at 6:30 PM. “me your name on the top of the ﬁrst page in the form LAST. First and turn in this cepy of the quiz with your additional pages of work IN CORRECT ORDER! DO NOT fold the papers or insert them inside I the quiz. They will be stapled together. / / :1 — ._ a f;- 4- P ...
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