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1. A 1000 kHz carrier is simultaneously modulated with 300 Hz, 800 Hz and 2 kHz audio sine waves. The frequencies present in the output will be





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QA->കൃഷ്ണൻ അവന്റെ വീട്ടിൽനിന്നും ആദ്യം 500 മീറ്റർ വടക്കോട്ട് നടന്നു. പിന്നീട് വലത്തോട്ട് തിരിഞ്ഞ് 800 മീറ്ററും ഇടത്തോട്ട് തിരിഞ്ഞ് 800 മീറ്ററും നടന്നു. എ ങ്കിൽ പുറപ്പെട്ട സ്ഥലത്തുനിന്നും നേരെ അയാളി ലേക്കുള്ള ദൂരം എത്ര? ....
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