Two metal spheres that are initially un- charged are mounted on insulating stand

Question

Two metal spheres that are initially un- charged are mounted on insulating stands, as shown. A negatively charged rubber rod is brought close to but does not make contact with sphere X. Sphere Y is then brought close to X on the side opposite to the rubber rod. Y is allowed to touch X and then is removed some distance away. The rubber rod is then moved far away from X and Y. What are the final charges on the spheres? Sphere X Sphere Y 1. Negative Positive 2. Positive Negative 3. Negative Negative 4. Zero Zero 5. Positive Positive

Explanation / Answer

X is negative Y is positive hence 1 is the correct option

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