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Question

How is a tall building protected from damage due to lightning?


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Solution

We can protect a tall building from lightning by the use of LIGHTNING CONDUCTOR.
Selina Concise Physics Class 8 ICSE Solutions - Electricity 38.1
WORKING: When a charged cloud passes over the building induction takes place and opposite charge (-ve) is induced on spikes of the conductor. Spikes being pointed (having very small area) cannot hold the charge and charge leaks into air aid opposite charge in air and cloud can cell each other. Even if some charge remains on spikes passes to earth from copper rod. And the building is saved.


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