02.24: Two small hollow metal spheres hung on insulating threads
w7el)k8nl- mu2o mkp. attract one another as shown. It is known that a positively charged rod will attrac
mum2pn wk8 )-k7loe.lt 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?