A small conducting sphere of radius carries a charge of

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

Problem

A small conducting sphere of radius 2.0 cm2.0\,\text{cm} carries a charge of +12 μC+12\,\mu\text{C}. A larger conducting sphere of radius 6.0 cm6.0\,\text{cm} is initially neutral. The two spheres are connected by a thin conducting wire and then the wire is removed, leaving them far apart. What is the final charge on the small sphere? (a) +6 μC+6\,\mu\text{C} (b) +9 μC+9\,\mu\text{C} (c) +3 μC+3\,\mu\text{C} (d) +4 μC+4\,\mu\text{C}

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