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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
Explain the meaning of the term induced magnetism.
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.
What is magnetic induction?
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?
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.
