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Signals and systems electrical engineering miscellaneous

  1. The amplitude and phase spectr a for the harmonics of a periodic signal of time period shown in the figure below, are




    1. cos 2πt -
      π
      + 0.75 cos 6πt +
      π
      + 0.1 cos 10πt +
      π
      ...............
      426
    2. cos
      t
      -
      π
      + 0.75 cos
      t
      +
      π
      + 0.1 cos
      t
      +
      π
      ...............
      4210π6
    3. cos 2πt -
      π
      + 0.75 cos 6πt +
      π
      + 0.1 cos 10πt +
      π
      .
      1
      ...............
      4266
    4. - cos 2πt -
      π
      + 0.75 cos 6πt +
      π
      + 0.1 cos 10πt +
      π
      ...............
      426
Correct Option: A

NA



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