PHYS 2114 Exam 3 Fall 2011

PHYS 2114 Exam 3 Fall 2011 - Physics 2114 Midterm Exam 3...

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Unformatted text preview: Physics 2114 Midterm Exam 3 Professor Bandy ,:::1 'l- j ( ; : . ~ if! % 'Fa112011 I . SIgnatu Problem I (Part I, answer questions a - d, part II questIOns e - h) - (33) Part I: In an oscillating LC circuit where a 4.00 j.iF capacitor exists, the maximum potential difference across the capacitor during the oscillations is 1.5Vand the maxim)llll current through the inductor is 5g(J mAo a. Sketch and label LC circuit at Fig. Ia space. Indicat~urrent direction (your choice) and ~ection of the induced B- field in the inductor. ~ 1 ' . . , I . S'Jl- fft it c)~ V---I,'? v ).1' ~....3 1 ( t3 ~ t \ -tW ..l' '! ;1 ~ "'1 11:: D.et,A ,.0 ;. ~ .",,,,,, :} {: t<~ ~ 'f, )< )( )( { I \\~ Q. Figure la ~ ~ '~ j. " . I I ~ . . . . ,~ o l ; ' Figure Ib LC Circuit of Part I \.. 0>"'''' +:.- C<lfdQV RC Circuit from Part n b. Calculate the inductance L given that the maximum energy in the inductor U is: U = 1Ll2 =-f Q2. (0.= c v) ~ C YL-I' = %(X;~ = ) L.:: i<~-::) ('1)(/0' b)( /I'it -::/~ 1-/ 7 f(-b (tl lo 5AY:-J e/' {.,-I-?tC: ; . '--"0 II c. Calculatethefrequencyfofoscillation,giventhatw~~::: 2rtf .. - ........
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This note was uploaded on 01/10/2012 for the course PHYS 2114 taught by Professor Bandy during the Spring '08 term at Oklahoma State.

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PHYS 2114 Exam 3 Fall 2011 - Physics 2114 Midterm Exam 3...

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