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Recitation 22B-Turn in your work at the end of the period A cube of side 2.0 m sits on the xy plane with one corner at the origin. There is a non-aniform electric field given by E-[(40x10)x +350NCi, where x is in meters. Calculate (a) the net electre flux through the cube dir Add the flus through each surface)32 kN m/c (b) the net charge enclosed. 028 pC A hollow insulating spbere has an inner radius a and outer radius b It bas a uniform charge density p Derive expressions for the maguitude of the electric field in the following regions Final answers not given (a) 0<rsa (b)asrs b (c) r2 b
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we can easily calculate the net electric flux, charge enclosed, and electric field by gauss law as solved belowSolution a Nef clechnc flux -hroueh he cube 中: +.uk-to ouut Ftu ヱ 10- 7 2. Net Eo -12 aLeSoluon inner Radivs el hollo phere q Ca E.urr2 = S{gE.rs _ w..a3 3 .3cancides gassn MDw b 3 3 3

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