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# quiz3 - Physics 62 Quiz 3A Fall 2010 Quiz 3A NAME SULH HOB...

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Unformatted text preview: Physics 62 Quiz 3A Fall 2010 Quiz 3A NAME: SULH HOB! . k! SECTION:____ volume: 41‘1"}???1 / 3 (Sp/here) 1rtRh2 (cylinder) Circle the best answer (1 point): 1. If the electric ﬁeld is zero throughout a certain volume of space, then the potential must be a constant in this volume. FALSE Circle the best answer (2 points): 2. How much work 15 required to assemble three point charges, two of which have charge ﬁg and one of which has charge -q, at the corners of an equﬁateral triangle with side 5? a. 0 b; +ke L s c +2ke g— s s e —2kE «9;- s Physics 62 Quiz 3A Fall 2010 R{7 points) Show all work! 3 Consider two concentric spherical conducting shells The, lIlIlGI‘ one has radius R and has a charge Q > 0 uniformly distributed on igt. The outer shell has radius 2K and has a charge —-Q uniformly distributed on it (a) Find expressions for the e_______lectric field' 111 all regions of space 779-9 E4-1Y'Yze' g: :OéE": D ‘ (b) Sketch a plot of the magnitude of E the electric field as a function of 1'. +11 €912.2- L f'ﬂfgé-FLJL Y: K 1:2.R (c) Find expressions for the electric potential 111 all regions of space (d) Sketch a plot of the gotential . \f 1" as a function of r. ...
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quiz3 - Physics 62 Quiz 3A Fall 2010 Quiz 3A NAME SULH HOB...

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