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Some Natural Ph...

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  • Question 1
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    What should be the length of the metal rod used as lightning conductor?

  • Question 2
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    ________ is the indication to rush for safer place.

  • Question 3
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    During lightning which of the following is not a safe place?

  • Question 4
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    If you are travelling by car during thunderstorm which place is safe?

  • Question 5
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    Why it is not recommended to touch water metal-pipe lines, electric wires during thunderstorm?

  • Question 6
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    During lightning, the _______ provides an easy route for the transfer of _______ charges to the ground.

  • Question 7
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    What happens when the lower end of the lightning conductor is not properly buried in the ground?

  • Question 8
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    Why should the height of lightning conductor is more than that of the walls of the building?

  • Question 9
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    When you are in forest during lightning which is safe place?

  • Question 10
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    To provide proper earthing, lower end of the lightning conductor should be

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