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Exam 2 Fall 2011

# Exam 2 Fall 2011 - Midterm Exam 2 Physics2ll4 Fall 201I...

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Physics2ll4 Midterm Exam 2 Professor Bandy Fall 201I Sec Signature Print Larst Name Problem 1 (see Figs. 1) use given coordinate system. Answer questions a - f. 't,' . tt: l5I/ €2: l2?' *" Figure la Figure lb In Fig. la switch,S is closed and chmging of an initially uncharged capacitor begins. Answer questions a - d. z- calculate the time constant associate.d with chrging the cqacitor. 'i .:'" ,' . .2C,,: _,,,, ):'- tt ..:..,:,.-::' ::: -.j,-,_,.,:.,S- i 5 ,, b. Calculate the initial currentl,. f; - -d?*etz.,e Ue trac g. c. L.alculate the.etffrcfit after a time -?RC. ^ \r ., '.,'. -' ii' d. what are current, capacitor voitage ,riA "n-g", and resistor voltage when the capacitor is fully charged? See Fig. Lb to answer questions e - g 5- * e' The direction of the 6 -field at point P due to current r as inilicated in Fig. tb is [into, Gj] parallgl tol the page Circle One ,F-' whichcorrespondsto[i, -i, i, -i,S-,, -;i]*governedbytheassignedcoordinatesystem. \e-'; fircle one i't -,; 5'r. Calculatestrengthofthemagneticfietd F-f,po*tpinFig. lbadistance of 2mmthewire.

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Exam 2 Fall 2011 - Midterm Exam 2 Physics2ll4 Fall 201I...

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