02.24: Two small hollow metal spheres hu
rv7 1g jtg0v+un+g rhkq2z(76f0lhnong on insulating threads attract one another as shown. It is known that a positively charged rod will attract bal
hr nlhrn7+(k20j g6g to0f1+v u 7zvqgl 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?