4. Consider cylindrical coaxial structure having perfect conductors. Radius of inner and outerstructures are given as r; = 1 cm and r2 = 2 cm, respectively. Area between the conductorsis filled with a dielectric material e = 4€, and it is assumed that it does not contains any freecharge. Voltage on the inner conductor is 50V and outer conductor is grounded (0V).a) Find the expression of electric potential in dielectric media by using Laplace'sequation.b) Find the electric field from the electric potential. After that, use boundarycondition to determine charge density Ps on the surface of the inner conductor.

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Answered: Consider cylindrical coaxial structure…

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