2. Solved Papers
  3. CEE Kerala Engineering

CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2011

  • question_answer
    If \[{{E}_{c}}=20\,\,\sin \,{{10}^{5}}\,\pi t\] and \[{{E}_{m}}=10\sin 400\pi t\]it are carrier and modulating signals, the modulation index is

    A)  56%                      

    B)         30%                      

    C)  50%                      

    D)         48%

    E)  60%

    Correct Answer: C

    Solution :

    \[m=\frac{{{E}_{m}}}{{{E}_{c}}}=50%\]


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