PDF chapter test TRY NOW

1. You might have observed on a dry day that when you touch the screen of a television or computer monitor (with a picture tube), you get a slight shock. Why does it happen?
 
It happens because the television screen or computer monitor  and  accumulated on them and when we touch them with our hands which are , the charges transfer through our hands and we get a slight shock.
 
2. If the materials used for constructing a building were good conductors, do you think lightning will strike the building. Will the lightning conductor be still required to be installed in the building?
 
Lightning  the building because separation of charges  in conductors and so, all the lightning falling on the building  the surface of the building.
All the work of lightning conductor  by the conducting material itself , so there is  lightning conductor.