Answer : Option A) A positively charged pith ball and a negatively charged glass rod
Explanation : The pair of items that will be attracted by one another is a positively charges pith ball and a negatively charged glass rod.
According to the charge interactions rule, it is state that opposite charges always attract each other and like charges repel each other.
When opposite charges come near to each other there is a pull generated to get attracted, like a north and south pole of a magnets.
whereas when like charges are brought together they try to push each other in opposite direction, like north-north pole of magnets or south-south pole of magnets.
In the given example the pith ball is having positive charge which when brought near the negatively charged glass rod gets attracted.
