PHY 303L-A solid spherical conductor A has no net charge

PHY 303L-A solid spherical conductor A has no net charge

Subject: Physics    / General Physics
Question

A solid spherical conductor A has no net charge on it.It contains two hollows, and at the center of one hollow is a charge of magntiude +qa and at the center of the second hollow is a charge of magnitude ?qb. Determine (a) the electric ?eld near the surface of the sphere A and thus the electric force on a test charge a distance r ? the radius of the sphere A, (b) the electric ?eld inside the bulk of the conductor(away from the hollows), and (c) the electric potential a distance d from the center of the hollow containing the ?qb charge.

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