Introduction. The origin of CFCs could be traced to the miraculous refrigerant, freon – 12 , discovered in 1930 by scientists in the Frigidair Division of General Motors in US..Read more
MAL-ABSORPTION SYNDROME It is a group of disorders marked by subnormal absorption on dietary constituent & excessive loss of nutrition in stool.... Read more
In velocity modulation, three cases are taken. Firstly, there is no applied voltage and as such electrons passing through the gap A are unaffected and will reach the collector with the same constant velocities.... read more
Klystron is the simplest vacuum tube that can be used for amplification or generation of microwave signal. The operation of klystron depends upon velocity modulation which leads to density modulation..... read more
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