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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 :
The two ends of a magnet are called __________.
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.
'Induced magnetism is temporary'. Comment on this statement.
'Induction precedes attraction'. Explain the statement.
How do you account for the following fact?
Bar magnets lose their magnetism when heated strongly.
What is magnetic induction?
A magnet is carefully broken into two equal pieces as shown in the figure. How would the magnetic field strength of each piece compare with that of the original magnet? 
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.
