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The figure is a section of a conducting rod of radius R1 = 1.40 mm and length L = 14.40 m inside a thin-walled coaxial conducting cylindrical shell of radius R2 = 12.8R1 and the (same) length L. The net charge on the rod is Q1 = +3.52 × 10-12 C; that on the shell is Q2 = -2.04Q1. What are the (a) magnitude E and (b) direction (radially inward or outward) of the electric field at radial distance r = 2.02R2? What are (c) E and (d) the direction at r = 5.18R1? What is the charge on the (e) interior and (f) exterior surface of the shell?

REEN | PRINTER ERSTCA. 4 RACK NEXT CES Chapter 23, Problem 029 Your answer is partially correct. Try again. The figure is a section of a conducting rod of radius R1-1.40 mm and length L = 14.40 m inside a thin-walled coaxial conducting cylindrical shell of radius R2 - 12.8R, and the (same) length L. The net charge on the rod is Q, +3.52 x 10 12 c; that on the shell is Q2 -2.0401 What are the (a) magnitude E and (b) direction (radially inward or outward) of the electric field at radial distance r 2.02R2? t What are (c) E and (d) the direction at r-5.182, What is the charge on the (e) interior and (f) exterior surface of the shel? tudy (a) Number iin 1a

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An, a)Consider a ausson surface (a ylinde) radivs r-2-o2 R2 Ame lendtn。f the surface be L) E, Dve fo О Sqmmetry ŚE.dA: E( area of th ) e Surfa ce bottom face So UsIn y자。 E=-2.08 kQ1 or r= 2.02 2 pine all values field is rodially in magnitude Eこ 0-1269 N b) direction radially mward dis tance r- 518R: e.oose a Gaussian surface sf roclius (ength LThe surface is a cylinm] This time we ch h=SER, ,and So %,c- Q, (as the surface enc to Symmexr encloses a The magnitude E:0.60 6 7 N d) directoへラradial(yodward e) The fild inside shell o Cits condutor) onsider acylindnical surface inside the shellGencin inchafge in inner surface of the shell q,ns-Ye-3-S2 Χιδ12C ) Inner surface charge f) Total charge on the shel2o4 се

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