Question

Why does a glass rod become positively charged when it is rubbed with a silk cloth?

Answer 1

A glass rod becomes positively charged when it is rubbed by a silk because the glass rod is negetively charged and when it is rubbed by the conductors like silk it gets positive charged.

Step-by-step explanation:

Answer 2

Hope this helps ya out

Step-by-step explanation:

The core has positive charge, the electrons have negative charge. When you are rubbing the glass rod with the silk cloth, electrons are stripped away from the atoms in the glass and transferred to the silk cloth. This leaves the glass rod with more positive than negative charge, so you get a net positive charge.