02.24: Two small hollow metal spheres hung on insu
w g4qs10.wl/mr inski 7lk0p m4.qs8qlating threads attract one another as shown. It is known that a posit
mg s04 k0nr mswi78wiq/l. q1pk .4qlsively 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?