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ID: 1424146 • Letter: L

Question

LON-CAPA Rod inside a shell Mozilla Firefox Bb welcome Shreyasi B... X M Inbox (38) shreyasi.p... X Shreyasi panda on Pint... X W World View Experience... X G A sample of assistant X a ass all... X c Search Q&A; I Chegg.c... X ON-CAPA Rod inside... X "go http blem2, probl %2f 526917 00%2fd d UOIT My yCampus W o Library o ITsc Most UOIT net Blackboard Word Pyaar Tune Kya Kiya st: Di Test ON-CAPA T The figure shows a section of a very long rod of radius a 5.40 mm and linear charge density A1 8.90 nC/m. The rod is inside a cylindrical shell of radius b 22.2 mm and linear charge density A2 5.80 nC/m What is the magnitude of the electric field at a radial distance of 17.5 mm from the centre? Submit Answer Incorrect. Tries 2/10 Previous Tries What is the direction of the electric field at 17.5 mm? Incorrect Inward Correct: Outward You are correct. Previams Tries 8:05 PM 2/27/2016

Explanation / Answer

Here ,

a = 5.4 mm

lamda1 = 8.90 nC/m

lamda2 = - 5.80 nC/m

at a distance ,d = 17.5 mm

inside the second shell , the electric field due to second shell is zero

electric field = 2 * k * lamda1/d

electric field = 9*10^9 * 8.9 *10^-9/0.175

electric field = 915.4 N/C

the electric field is 915.4 N/C

the direction of electric field will be radially outwards