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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
Name four appliances which work using electricity ?
The alloys called ______ and ______ are used for making industrial magnets.
Select the correct option:
The substance which form a strong temporary magnet is:
Draw lines of force surrounding a bar magnet when it is placed in the magnetic meridian with its north pole pointing geographic, north.
The figure shows a freely suspended magnet in the rest position. Copy the diagram and on its show:
- Angle of declination
- Angle in dip
Explain the mechanism by which unmagnetized iron nails get attracted to a magnet when brought near it.
With the help of a diagram explain the following:
Magnetisation of an iron bar by a single touch method.
List out the uses of magnets.
What will happen when we place magnets near cell phones, computers, and DVDs?
