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Lightning Conductors

Why is one en...

Question

Why is one end of a lightning conductor buried deep under the ground?

A

Earth can absorb any amount of charges.

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B

It helps to create a return path for the charges

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C

Earth is a positively charged body

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D

The Earth is an insulator

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Solution

The correct option is A
Earth can absorb any amount of charges.

Earth is an excellent sink for charges and will absorb any amount of charges that come from the lightning via the lightning conductor; Earth has an infinite amount of both positive and negative charges. Adding a lightning worth of electrons makes no difference to the state of the earth.

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Similar questions

Assertion (A) :

Lightning conductors provide a low resistant path for the electricity to flow into the ground from the sky without damaging the building.

Reason (R) :

Earthing is the process in which electric discharge happens from an uncharged body to a highly charged body.

Q. When lightning strikes the Earth, a large number of charge particles enter the Earth. Does it become a charged body due to this? Explain with reasons.

Q. Lightning conductors are used to protect building from lightning strikes. Which of the following statements is / are true about lightning conductors?
1. Lightning conductors create an electric field at its top so that lightning strikes it preferentially
2. Lightning conductors reduce the effect of the strike by uniformly distributing the charge (current) over the surface of the building
3. Lightning conductors take all charge (current) to deep down in the earth
4. Lightning conductors must be installed at a place taller than the building
Select the correct answer using the code given below:

Q. It is given that the earth is a huge ocean of charges which is nuetral. When our body comes in contact with any charged object, the charges pass through our body into the earth. But when we have excess of electrons in our body, instead of sending then into the earth to make our body nuetral, why can't the earth send some electrons to our body to make our body nuetral (provided our body is a good conductor)?

Q. What is earthing? Why is it important to provide an earthing connection to a lightning conductor?

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