Question

The figure above shows a solid insulating sphere of radius $R_2$ with charge $-Q$ (where $Q > 0$) distributed uniformly throughout the volume. This sphere is centered within a thin spherical shell of radius $R_1$, and a charge $+Q$ is distributed uniformly on the surface of the spherical shell. Far away from the sphere and the spherical shell, the electric potential is zero. Use $k$ for Coulomb's constant. A. At point $A$ on the surface of the spherical shell, what is the electric potential $V_A$? B. Point $B$ is on the surface of the sphere. What is the potential difference, $V_B - V_A$? C. Point $C$ is at the center of the sphere. What is the potential difference, $V_C - V_B$?

          The figure above shows a solid insulating sphere of radius $R_2$ with charge $-Q$ (where $Q > 0$) distributed uniformly throughout the volume. This sphere is centered within a thin spherical shell of radius $R_1$, and a charge $+Q$ is distributed uniformly on the surface of the spherical shell. Far away from the sphere and the spherical shell, the electric potential is zero. Use $k$ for Coulomb's constant.
A. At point $A$ on the surface of the spherical shell, what is the electric potential $V_A$?
B. Point $B$ is on the surface of the sphere. What is the potential difference, $V_B - V_A$?
C. Point $C$ is at the center of the sphere. What is the potential difference, $V_C - V_B$?

the figure above shows a solid insulating sphere of radius r2 with charge q where q 0 distributed uniformly throughout the volume this sphere is centered within a thin spherical shell of ra 74934

Added by Ruben H.

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