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Two metallic spheres $$A$$ and $$B$$ kept on insulating stands are in contact with each other. A positively charged rod $$P$$ is brought near the sphere $$A$$ as shown in the figure. The two spheres are separated from each other, and the rod $$P$$ is removed. What will be the nature of charges on spheres $$A$$ and $$B$$?
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Solution
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This process is called induction of charge and happens instantly.Separate the spheres by a small distance while the glass rod is still near sphere $$A$$. The two spheres will be oppositely charged and attract each other and after remaining rod they will rearrange each other.
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