question 2 Quiz 3 A very long (consider it to be infinitely long) insulating wir

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question 2 Quiz 3 A very long (consider it to be infinitely long) insulating wire of radius r (orange) carries a uniform volume charge density p. It is surrounded by a conducting SHELL of radius rs of the same length, carrying a neaatoe surface charge density 7, which gxacty balanses the positive volume charge density in the core 1) Use Gauss' Law to find the magnitude of the electric field inside the center (orange colored) wire in terms of The folowing steps are meant to guide you teward obtaining the finet onwer only a) Draw correct Gassian surface in cerrect location l How much charge is enciesed (Qu) by tis serface c) Use Gauas Law to soive for t 2) Use Gauss' Law to find the electric field outside (r) The following stnps are meant to guide you temdnd oetaining the final onswer eny a) Draw correct Gaussian surface in correct location b) How much charge is enclesed by this surface c) Use Gauss Law 1o find t +p Surtace churge density

Explanation / Answer

the gaussian surface will be a cylindrical surface with radius r, which is greater than r2.

charge enclosed=Q-Q=0

(as the charge contained by the blue shell is exactly equal and opposite to charge contained by orange cylinder)

hence electric field=0 (as net charge enclosed =0)

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