02.24: Two small hollow metal spheres hung on insulating threads
b j.uae36 jdy,attract one another as shown. It is known that a po
bea.d u 3,6jjysitively charged rod will attract ball A.
I. Ball A has a positive charge
II. Ball B has a negative charge
III. Ball A and Ball B have opposite charges
Which of the above can be correctly concluded about the charge on the balls?