Question

When a glass rod is rubbed with a piece of silk cloth the rod
(a) and the cloth both acquire positive charge.
(b) becomes positively charged while the cloth has a negative charge.
(c) and the cloth both acquire negative charge.
(d) becomes negatively charged while the cloth has a positive charge.

Answer 1

Glass rod acquires a positive charge and silk cloth acquires negative charge

The answer is (b)

Answer 2

Answer:

b) Becomes positively charged while the cloth has a negative charge.

Explanation:

When a glass rod is rubbed with a piece of silk cloth, a transfer of charge takes place. Thus, as a result the glass the rod acquires a positive charge while the piece of silk cloth acquires a negative charge.  The electrons from glass rod tend to flow from the glass rod to the silk cloth.

Therefore, when a glass rod is rubbed with a piece of silk cloth the rod, it becomes positively charged while the cloth has a negative charge.