Answer:
A rubber rod can be charged negatively when it is rubbed with wool. If the rubber rod is charged negatively, a positive charge is induced into the wool. Remember, whenever two neutral objects are rub against each other , an opposite charge is induced in both of the objects.
The impact on the charge of the wool should be explained below:
A rubber rod could be charged negatively at the time when it is rubbed with wool. In the case when the rubber rod is charged negatively, a positive charge should be induced into the wool. Also, whenever two neutral objects are rubbed against each other, an opposite charge should be induced in both of the objects.
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