In an $AM$ wave,the frequencies of $LSB$ and $USB$ are $2.99 \ MHz$ and $3.01 \ MHz$ respectively. The carrier frequency is ....... and the modulating frequency is .......

  • A
    $3 \ MHz, 2 \ kHz$
  • B
    $3 \ MHz, 10 \ kHz$
  • C
    $2.99 \ MHz, 2 \ kHz$
  • D
    $3.01 \ MHz, 10 \ kHz$

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