PHYS227N S13 COOK Quiz 3

# PHYS227N S13 COOK Quiz 3 - Physics 227N/232N Quiz 3 — 12...

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Unformatted text preview: Physics 227N/232N Quiz 3 — 12 February, 2013 g 3 7/0 4" Name: I will uphold the Honor Code: v 1- ln problem 1, give your answer to eacm part WItn tne proper number of significant figures. 1) A point charge q1 = 5.00 nC is located precisely at the origin and a second point charge qz- — -3. 00 nC is located on the x-axis at x— 2. m. What is the total electric flux due to these two point charges through a spherical surface centered at the origin and with radius. a. r = 0.500 m b. r = 3.500 m c. r= 5. m b\ ml’lﬁw,(ﬁr:°\\(‘l“){é~ H . (03 I: ~2. I’Lx\I> 2) In the drawing to the left, a positive point charge q is at the center of a Gaussian surface 5. When the charge is moved closer to point p (as in the drawing on the right), what happens to the flux CD through 5 and the magnitude of the electric field E at p? p a " " p I ’ ’ - Q ‘ ’ I . ‘\ \ I I, | ’ q | ’ Q ' I, I. I I I q I " I’ I I , I ’ ‘ I \\.. ,”’ S \\~—”’ 8 I VIZ—“:5 ‘8 Mal,“ a) E (choose one): decreases, st l e, increases ”“6 V ﬁl -__ _..> . - b) CD (choose one): decreases stays the same [@1 E mar-mm Explain your answers. ,_. . A) . 6(1): 6 I“? ” . 490 \w cream “\\ W ...
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