When a glass rod is rubbed with silk cloth, both glass rod, and silk cloth.
Two metal balls are suspended as shown in the figure. A glass rod is rubbed with silk to charge it. Now, touch both the balls with the glass rod. What is the observation that can be noted?
Suspend two plastic balls as shown in the figure. A glass rod is rubbed with silk to make it charged. One of the balls is touched with the glass rod and the other is touched with the silk.What can we observe? Give reason for the observation. [3 MARKS]
Now that we know that the two glass rods become charged when rubbed with a silk cloth, it would be safe to conclude they acquire ___ charges.