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Why do we consider induction a way of charging?

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I get that by getting a charged object near an uncharged one, charges of the opposite sign are induced on the surface, but, since the total charge of the whole object is still zero (because electrons move inside the conductor and can't escape because surroundings insulate it) , the object as a whole can't be considered charged, only the surface, so why would we call induction a means of charging while the net charge of the object doesn't change?

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