1. Explain the following : (a) Nylon clothing crackles as you undress.

(b) TV screens soon become very dusty.

(c) It might be dangerous to raise an umberella in a storm.

(d) A rubbed balloon will stick to the wall for sometimes.

2. Explain the role of a lightning conductor in protecting a tall building from lightning.

3. Can the electrostatic charges be stored ? If so how ?

4. The top of a lightning conductor is always higher than the top of the building. Give Reason.

ELECTROSTATIC FORCE MUST BE RESPONSIBLE FOR THIS AS WHEN WE RUB THE BALLOON WITH A SYNTHETIC CLOTH IT GETS CHARGED AND WHEN IT IS PRESSED AGAINST WALL IT STICKS TO IT

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