02.24: Two small hollow metal spheres hung on insulating threads attract one
ym11tp. ,ms/ask as t6another as shown. It is known that a positively charged rod will attract ball A.
tsmtsa s,/amy 1.16kpI. 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?