Draw a diagram to show the accumulation of charges. What is an electric discharge?
The process in which negative and positive charges meet to produce streaks of bright light and sound is called electric discharge.
Explain why a glass rod can be charged by rubbing when held by hand but an iron rod cannot be charged by rubbing, if held by hand.
Identify the following diagram and write its function.
State True or False:
We can use wired telephone at the time of lightning.
State True or False:
We can predict earthquake.
