Question

when a glass rod is rubbed with a piece of silk cloth the rod. option 1. and the cloth both acquire positive charge 2. becomes positively charged while the cloth has a negative charge 3. and the cloth both acquire negative charge 4. becomes negatively charged while the cloth has a positive charge​

Answer 1

When the glass rod is rubbed with silk clothes, glass quickly loses electrons, and silk takes electrons out of the glass rod. So after rubbing, the glass rod becomes positively charged and the silk gets negative charge.

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