If a rod has to be charged positively, one should remove ______ from the rod.
A metal rod A is to be charged positively by using another charged rod B. What should be the kind of charge on the rod B if charging is to be done by conduction?
Question 2
When a glass rod is rubbed with a piece of silk cloth the rod : a) both glass rod and the cloth both acquire positive charge. b) glass rod becomes positively charged while the cloth has a negative charge. c) both glass rod and the cloth both acquire negative charge. d)glass rod becomes negatively charged while the cloth has a positive charge.