Electronic devices and communication system
Electronic Devices and Communication Systems
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Formation of Himachal and Aryan invasion. By PK Nirala
Formation of Himachal Pradesh This is a history of about 5o million years back when earth was a very very hot molten planet and all the...
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MAGNETISM he property of any object by virtue of which it can attract a piece of iron or steel is called magnetism . Natural Magnet ...
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Solar energy Sun has abundance amount of energy we can herness this energy to generate electricity, centre AC, artificial bulbs etc. Nucl...
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