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संबंधित प्रश्न
Name four appliances which work using electricity ?
Answer the following in detail.
List four methods of magnetizing a magnetic substance.
The real test of a magnet is ______.
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?
Define the following term:
Angle of declination
Write a short note on lighting conductors.
With the help of a diagram explain the following:
Magnetisation of steel needle using electric current such that the pointed end should have north polarity.
Why it is not advisable to slide a magnet on an iron bar back and forth during magnetising it?
Which is not attracted by a magnet?
