The electric field of the material between two coaxial cables of radius 0.525 cm and 0.675 cm is given as E = 2.85 V•m/r^3 . If the conductivity of the material is 5 x 10^10 S/m, what is the current density in the material?
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The electric field of the material between two coaxial cables of radius 0.525 cm and 0.675 cm is given as E = 2.85 V•m/r^3 . If the conductivity of the material is 5 x 10^10 S/m, what is the current density in the material?
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