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प्रश्न
'Induction precedes attraction'. Explain the statement.
उत्तर
When a piece of magnetic material is brought near a magnet, it first becomes a magnet by induction and then it is attraction. Thus, we say that induction precedes attraction.
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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 :
Unlike poles of a magnet ___________ each other.
Fill in the blank to complete the sentence :
Like poles of a magnet ______________ each other.
'Induced magnetism is temporary'. Comment on this statement.
How do you account for the following fact?
Bar magnets lose their magnetism when heated strongly.
Describe various methods of magnetising a piece of iron.
Explain a suitable experiment of 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?
How would you test whether a piece of steel was magnetised
(i) If you had a magnet?
(ii) If there was no magnet available.