02.24: Two small hollow metal spheres hung on insulating threads attra
bpkn2 3q/ knm;o8()ycv l tu,v;syf2c: vj;euct one another as shown. It is known that a positively charged rod w
q, l:2vt;pf8okkcm(y sny/e2vubu3j) nv;c;ill 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?