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Students perform an experiment where they explore electric charge, using a positively-charged non-conducting rod and an initially uncharged metal sphere. In one part of the experiment, the rod is brought near to, but not touched to, the metal sphere.

Which of the following is the best description of the charge on the sphere while the rod is near to it?


The sphere is positively charged.


The sphere is negatively charged.


One side of the sphere is more negatively-charged and the other side is more positively-charged.


The sphere is completely uncharged.

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