A coaxial cable has inner conductor radius a=8.1cm and outer conductor radius b=18.4cm. The medium between the two conductors is free space. The line charge density is pi=7.4nC/m as shown in the figure Static electric energy stored in the insulator region in 1m length along the z- axis is= J Electric energy density at p=17.3cm is= J/m3 Stored energy inside inner conductor in 1m length along the z-axis We= J

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Q: The potential of the inner conductor of a coaxial cable is Vi=18 V and the outer conductor potential…

A: Electric field generated by a cable of unit length at a distance 'x; is, E=q2πε0x

Electric field

A physical field present around an electrically charged particle that exerts a force on all other charged particles is called an electric field. The charged particles present in the field either repel or attract. From electric charges or time-varying magnetic fields, the electric field originates. One of the manifestations of electromagnetic force which is one of the four fundamental forces present in nature are the electric fields and magnetic fields.