Question
Question: When a glass rod is rubbed with silk, it...
When a glass rod is rubbed with silk, it
A
Gains electrons from silk
B
Gives electrons to silk
C
Gains protons from silk
D
Gives protons to silk
Answer
Gives electrons to silk
Explanation
Solution
On rubbing glass rod with silk, excess electron transferred from glass to silk. So glass rod becomes positive and silk becomes negative.