Advertisements
Advertisements
Question
Answer in your own words.
In the lightning conductor, what provision is made for spreading the electricity into the ground?
Advertisements
Solution
A pit is dug in the ground and is filled with coal and salt. A cast iron plate is placed upright in the pit and one end of the lightning conductor is connected to this plate. Also, a provision for pouring water into the pit is made. Thus, when the electric charge through the conductor is discharged into the pit, the water quickly spreads these charges into the ground and prevents damages.
RELATED QUESTIONS
The weather department has predicted that a thunderstorm is likely to occur on a certain day. Suppose you have to go out on that day. Would you carry an umbrella? Explain.
Explain why it is not safe to go out with an umbrella when there is heavy rain, lightning or thunder.
Write an answer to the following question in your own words.
What are the measures to prevent loss of life due to lightning?
During the construction of a building, the lightning conductor was left hanging in the air by mistake. Would the lightning conductor be still effective? Explain.
Explain why it is safer to use a wireless telephone instead of a landline telephone during lightning.
______ is another example of discharge that takes place in clouds.
During thunderstorms, the air is moving ______ rapidly. This air moves rapidly.
Assertion: People struck by lightning receive a severe electrical shock.
Reason: Lightning carries very high voltage.
Assertion: People struck by lightning receive a severe electrical shock.
Reason: Lightning carries very high voltage.
Assertion: People struck by lightning receive a severe electrical shock.
Reason: Lightning carries very high voltage.
