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प्रश्न
Give scientific reason:
A ' cracking' noise may be heard on removing a nylon shirt, blouse, or stockings.
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.
Explain the meaning of the term induced magnetism.
'Induced magnetism is temporary'. Comment on this statement.
How do you account for the following fact?
Iron becomes magnetized when placed in a coil carrying direct current.
How do you account for the following fact?
Bar magnets lose their magnetism when heated strongly.
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 magnet is carefully broken into two halves along its long axis as shown in the figure. How would the magnetic strength of each piece compare with that of the original magnet?
