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प्रश्न
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उत्तर
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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 :
A freely suspended magnet rests in the geographic ___________ direction.
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?
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?
Give scientific reason:
A ' cracking' noise may be heard on removing a nylon shirt, blouse, or stockings.
Give scientific reason:
A charge can be obtained on a rubbed ebonite rod held in the hand but not on a rubbed metal rod held in the hand.
