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Awhatiseeverywhere weknow rr1 1 rr2 r r qenc da eg

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Unformatted text preview: ius r1 and outer radius r2. a) What is E everywhere? We know: x magnitude of E is fcn of r direction of E is along ˆ r neutral conductor r2 +3Q r 1 We can use Gauss’ Law to determine E Use Gaussian surface = sphere centered on origin r r Qenc dA ∫ Eg = ε0 r < r1 rr E g = E 4π r 2 ∫ dA r1 < r < r2 1 3Q E= 4πε 0 r 2 E= 1 3Q 4πε 0 r 2 B Qenc = +3Q A E= 1 3Q 4πε 0 r12 C E=0 r > r2 A E= 1 3Q 4πε 0 r 2 B E= 1 3Q 4πε 0 (r − r2 ) 2 C E=0 P h y s ic s 2 1 2 Le c tu re 4 , S lid e 1 9 y BB r2 Calculation neutral conductor +3Q r x Point charge +3Q at center of neutral conducting shell of inner radius r1 and outer radius r2. a) What is E everywhere? We know: r < r1 1 r > r2 r...
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