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  1. In the following network, the switch is closed at t = 0- and the sampling starts from t = 0. The sampling frequency is 10Hz.

    The expression and the region of convergence of the z-transform of the sampled signal are

    2. A.
    |z| < e-5
    B.
    |z| < e-0.05
    C.
    |z| < e-0.05
    D.
    |z| > e-5

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    Answer : Option C

    Explanation :

    X(Z) = 5.e-0.05n.Z-n

    .

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