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प्रश्न
Give scientific reason:
A ' cracking' noise may be heard on removing a nylon shirt, blouse, or stockings.
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उत्तर
When a nylon shirt, blouse, or stocking s are removed then they get rubbed with the hairs and due to friction between hairs and nylon, charges get induced on them and attractive force gets induced between them.
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संबंधित प्रश्न
Fill in the blank to complete the sentence :
Unlike poles of a magnet ___________ each other.
Fill in the blank to complete the sentence :
Like poles of a magnet ______________ each other.
Fill in the blank to complete the sentence :
A freely suspended magnet rests in the geographic ___________ direction.
Explain the meaning of the term induced magnetism.
How do you account for the following fact?
Steel makes better permanent magnet than soft iron.
Describe various methods of magnetising a piece of iron.
A conductor B is charged by bringing another charged body A in contact 
Explain the process of charging B.
Explain, what is meant by magnetic induction.
How would you test whether a piece of steel was magnetised
(i) If you had a magnet?
(ii) If there was no magnet available.
