A coaxial cable has inner conductor radius a=7.6cm and outer conductor radius b=24.6cm. The medium between the two conductors is free space. The line charge density is p=16.2nC/m as shown in the figure Static electric energy stored in the insulator region in 1m length along the z-axis is= Electric energy density at p=19.9cm is= /m3 Stored energy inside inner conductor in 1m length along the z-axis We=
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