02.24: Two small hollow metal spheres hung on ins
w )ckj:kgzbq:v p75u 2ulating threads attract one another as shown. It is known that a positively charged rod will a
p )j2 5b7qgw c:k:kvuzttract 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?