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6. 10 points A coaxial cable of length L consists of one cylinder of radius a and an- other of radius 2a. The space between t

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Vevo ea Ans.(a) length of the cable =L V(x=) No V(2=2a) Poissons equation: V?v=37€ VZO I change density in the medium for ou

integrating we get fav fa VA) - tę vo -0 VG) Cience) + now vca => . Vo y encast C and V(20) = 0 > ci en 12a) + & from and a

2 Vo en(/) vre) an (2) electric field inside the medium = E(2) È (1) - =-dva- vy - Vo de en(/) (*) vi d Vo en (2) hay unit ve

total cussen flowing in the medium I I J. À à area rector of surface through which current passes, now à = areL 3 = I= T en (

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