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प्रश्न
Define the following term regarding a bar magnet:
Magnetic field
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उत्तर
The region around a magnet where its magnetic force can be experienced is called the magnetic field.
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संबंधित प्रश्न
Explain the meaning of the term magnetic field ?
Write the answer in your word.
What are the practical uses of a magnet?
If a magnet is carefully broken into two pieces as shown in figure (i), how does the magnetic strength of each piece compare with that of the original magnet? If another magnet is carefully broken in half along its long axis shown in figure (ii), how would the strength of each piece compare with that of the original magnet?
Give scientific reason:
Soft iron is used to make electromagnets.
Give scientific reason:
Two steel needles hanging from the lower end of a vertical bar magnet do not hang vertically.
Differentiate between:
Primary and secondary cell.
An object that is attracted by magnet.
How can you identify non-magnetic materials? Give an example of a nonmagnetic material.
Why it is not advisable to slide a magnet on an iron bar back and forth during magnetising it?
