Identify the lightning conductor and the copper plate in Fig. 15.2.

A is lightning conductor and B is copper plate.

i. A lightning conductor is a device used to protect the building from lightning effects.

ii. It is a long metallic rod taller than building installed on the walls of the building.

iii. One end of the rod is kept out in the air and other is buried deep in the ground connected with a copper plate.

iv. The rod provides an easy route for the transfer of electric charge to the ground.