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Consider the following electrostatic problem. A perfectly conductive spherical conductor of radius a=5cm is covered by a dielectric layer extending to a radius of b%3D8cm in free space. Relative electrical permittivity of the dielectric iS E,4, and Electric Flux Density expression in the medium is given as (D= 0.05r-u, : C/m, for Pa), where r is radial distance from the center of sphere. a) What is the total charge on the conductor surface? b) Determine Electric field intensity for each region (rca, acr

Consider the following electrostatic problem. A perfectly conductive spherical conductor of radius a=5cm is covered by a dielectric layer extending to a radius of b%3D8cm in free space. Relative electrical permittivity of the dielectric iS E,4, and Electric Flux Density expression in the medium is given as (D= 0.05r-u, : C/m, for Pa), where r is radial distance from the center of sphere. a) What is the total charge on the conductor surface? b) Determine Electric field intensity for each region (rca, acr

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Consider the following electrostatic problem. A perfectly conductive spherical conductor of radius a=5cm is covered by a dielectric layer extending to a radius of b%3D8cm in free space. Relative electrical permittivity of the dielectric iS E 4, and Electric Flux Density expression in the medium is given as (D = 0.05r-u,: Cim, for ra), where r is radial distance from the center of sphere. a) What is the total charge on the conductor surface? b) Determine Electric field intensity for each region (r<a, acr<b, Pb) c) What is the potential at r=a surface with respect to infinity reference? d) Whta is the potential at the center, e) Are the electric flux lines perpendicular to the surface of a charged perfect conductor? Explain why.
Transcribed Image Text:Consider the following electrostatic problem. A perfectly conductive spherical conductor of radius a=5cm is covered by a dielectric layer extending to a radius of b%3D8cm in free space. Relative electrical permittivity of the dielectric iS E 4, and Electric Flux Density expression in the medium is given as (D = 0.05r-u,: Cim, for ra), where r is radial distance from the center of sphere. a) What is the total charge on the conductor surface? b) Determine Electric field intensity for each region (r<a, acr<b, Pb) c) What is the potential at r=a surface with respect to infinity reference? d) Whta is the potential at the center, e) Are the electric flux lines perpendicular to the surface of a charged perfect conductor? Explain why.
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