A negatively charged plastic rod is held near to a thin stream of water. The water is attracted towards the rod because
a) The negative charge in the water is attracted to the rod and the positive charge is repelled by the rod.
b) The negative charge in the water is repelled by the rod and the positive charge is attracted to the rod.
c) The positive and the negative charges in the water are repelled by the rod.
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Explanation:
When the rod is placed close to a stream of water, the negative charges (electrons) in the polyethylene rod attract the partially positive hydrogen ends of nearby water molecules. This causes the water molecules to rotate so that their positive ends are closer to the rod than their negative ends.
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