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Some Natural Ph...

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  • Question 1
    1 / -0

    Can the lightning rods be made of any material?

  • Question 2
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    _______ is nature's most powerful display of static electricity.

  • Question 3
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    If we rub our dry forearm with a silk cloth, the hairs on the forearm will stand straight. This is because:

  • Question 4
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    Which of the following descriptions apply to a lightning conductor?

  • Question 5
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    When an object is rubbed by another, the objects get charged - one as positive and another as negative. In electrostatic series:

  • Question 6
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    What causes lightning?

  • Question 7
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    What is earthing?

  • Question 8
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    The fact that lightning and spark are essentially the same phenomena, was discovered in:

  • Question 9
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    When we can observe sparks on an electric post?

  • Question 10
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    When a person combs his hair static electricity is sometimes generated by:

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