02.24: Two small hollow metal sphere
l)u wl1jtk 90f9gn v2ds hung on insulating threads attract one another as shown. It is known that a po
tdj2u wk0 91lgfl)9n vsitively 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?