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प्रश्न
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उत्तर
Disadvantages of setting up large dams for hydro-electricity power station::
(1) It leads to large catchment area being submerged
(2) displacement of people from their places.
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संबंधित प्रश्न
“Poles exist in pair”. Comment on this statement ?
State three important uses of a magnet.
Fill in the blank.
Magnetic poles always exist in ...............
Define the following term regarding a bar magnet:
Magnetic field
The figure shows a freely suspended magnet in the rest position. Copy the diagram and on its show:
- Angle of declination
- Angle in dip
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 dip
The south pole of a bar magnet and the north pole of a U-shaped magnet will _______.
The pole of a freely suspended magnet that points towards the north is called the south pole and what points towards the south is the celled north pole.
