Point B is on the surface of the sphere. What is the potential difference, VB – VẠ?Vв - VAPoint C is at the center of the sphere. What is the potential difference, Vc – VB?Vc – VB = +Q-Qв АR,The figure above shows a solid insulating sphere of radius R2 with charge -Q (Q > 0) distributed uniformlythroughout the volume. This sphere is centered within a thin spherical shell of radius R1; a charge +Q isdistributed uniformly on the surface of the spherical shell. Very far away from the sphere and the sphericalshell, the electric potential is zero. Use k for Coulomb's constant.

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Where is the magnitude of the electric potential greatest? y A +2 R ' B 1 I
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Point B is on the surface of the sphere. What is the potential difference, VB - VA? Vв — VA - Point C'is at the center of the sphere. What is the potential difference, Vc – VB? Vc – VB