When a charged rod is touched with the disc of a positively charged gold leaf electroscope, it is observed that the divergence of leaves decreases. What is the kind of charge on the rod?
As on touching the disc with the charged rod, divergence in the leaves decreases, this means the rod has opposite kind of charge than leaves i.e. rod has a negative charge.
A positively charged rod is touched with the brass disc of a positively charged gold leaf electroscope. What is the effect on divergence of leaves?