In the figure, the inner (shaded) region A represents a sphere of radius rA=1, within which...

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In the figure, the inner (shaded) region A represents a sphere of radius rA=1, within which the electrostatic charge density varies with the radial distance r from the center as PA-kr, where k is positive. In 2k PB the spherical shell B of outer radius r³, the electrostatic charge density varies as dimensions are taken care of. All physical quantities are in their SI units. B A ГА Which of the following statement(s) is(are) correct? ľв B == r . Assume that (A) If TB = then the electric field is zero everywhere outside B. k then the electric potential just outside B is €o (C) If TB = 2, then the total charge of the configuration is 15лk. 5 (B) If FB = (D) If B 3 2 = 3 2 2 " " then the magnitude of the electric field just outside B is 13лk €0 In the figure, the inner (shaded) region A represents a sphere of radius rA=1, within which the electrostatic charge density varies with the radial distance r from the center as PA-kr, where k is positive. In 2k PB the spherical shell B of outer radius r³, the electrostatic charge density varies as dimensions are taken care of. All physical quantities are in their SI units. B A ГА Which of the following statement(s) is(are) correct? ľв B == r . Assume that (A) If TB = then the electric field is zero everywhere outside B. k then the electric potential just outside B is €o (C) If TB = 2, then the total charge of the configuration is 15лk. 5 (B) If FB = (D) If B 3 2 = 3 2 2 " " then the magnitude of the electric field just outside B is 13лk €0

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