Physics

Problem

Two solid conducting spheres are very far apart and connected by a long thin conducting wire, allowing charge to move freely between them. Sphere X has radius

4\,\text{cm}

and initially carries a charge of

+6\,\mu\text{C}

. Sphere Y has radius

2\,\text{cm}

and initially carries a charge of

-3\,\mu\text{C}

. After the system reaches electrostatic equilibrium, what is the net charge on sphere X? a)

+1.5\,\mu\text{C}

+1\,\mu\text{C}

+2\,\mu\text{C}

+2.4\,\mu\text{C}

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