UPSC 2014
UPSC-2014 1. Calculate the maximum usable frequency for a transmitting station having a critical frequency of 13 MHz propagating with an angle of incidence of 60° for a given destination...…
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Showing posts with the label UPSC-2014
UPSC -2014
UPSC-2014 1.The total efficiency of an injection LASER with a GaAs active region is 18%. The voltage applied to the device is 2.5V and the band gap energy for GaAs is 1.43eV. …
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