Identify the following diagram and write its function.
The given figure shows the lightning conductor.
Ligtning conductor is used to protect buildings and houses from lightning. A metallic rod, taller than building is installed in the walls of the building during it's construction. The upper part of the ligtning conductor is left in the open and other end is buried deep into the ground.
When lightning strikes, the rod provides easy route for the transfer of electric charge to the ground.
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.
State True or False:
We can predict earthquake.
State True or False:
We can use wired telephone at the time of lightning.
Draw a diagram to show the accumulation of charges. What is an electric discharge?
