When a glass rod is rubbed with a piece of silk cloth, then :
(a) the glass rod and silk cloth both acquire the positive charge.
(b) the glass rod becomes positively charged while the silk cloth has a negative charge.
(c) the glass rod and silk cloth both acquire the negative charge.
(d) the glass rod becomes negatively charged while the silk cloth has a positive charge.
A glass rod is rubbed with a silk cloth and an inflated rubber balloon is rubbed with a woollen cloth.
Now, out of glass rod, silk cloth, rubber balloon and woollen cloth:
(a) Which two objects acquire negative charge?
(b) Which two objects acquire positive charge?
A glass rod is rubbed with silk cloth. What type of charge is acquired by (a) silk cloth, (b) glass rod?