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Signals and systems electrical engineering miscellaneous

  1. Consider a continuous-time signal x(t) whose magnitude and phase spectra are as follows:
    | X (jω)| = 2{u(ω + 3) – u(ω – 3)},
    ∠X (jω) =
    - 3ω
    + π
    2

    The value of t, for which x(t) = 0, is
    1. +
      3
      ,for = 0, 1, 2, 3,...
      32
    2. +
      3
      ,for = 1, 2, 3,...
      32
    3. +
      2
      ,for = 0, 1, 2, 3,...
      33
    4. +
      2
      ,for = 1, 2, 3,...
      33
Correct Option: B



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