Two solid conducting spheres are very far apart and connected by a long thin…

PHYSICS · Single correct · CBSE · Physics · Electrostatic Potential and Capacitance · Electrostatic Potential and Capacitance

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 cm4\,\text{cm} and initially carries a charge of +6 μC+6\,\mu\text{C}. Sphere Y has radius 2 cm2\,\text{cm} and initially carries a charge of −3 μC-3\,\mu\text{C}. After the system reaches electrostatic equilibrium, what is the net charge on sphere X? (a) +1.5 μC+1.5\,\mu\text{C} (b) +1 μC+1\,\mu\text{C} (c) +2 μC+2\,\mu\text{C} (d) +2.4 μC+2.4\,\mu\text{C}

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