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    What happens to the output of an LTI system when the input is delayed by t 0?
    Question

    What happens to the output of an LTI system when the input is delayed by t 0?

    A.

    The output is scaled by t0

    B.

    The output remains unchanged

    C.

    The output is delayed by t0

    D.

    The output becomes zero

    Correct option is C

    For a Linear Time-Invariant (LTI) system, one of the fundamental properties is time invariance.If: Input x(t) produces output y(t)Then: A delayed input x(tt0) produces a delayed output:y(tt0)So, delaying the input by t0 results in the output being delayed by the same amount, with no change in shape or amplitude.\text{For a Linear Time-Invariant (LTI) system, one of the fundamental properties is time invariance.} \\[8pt]\text{If:} \\[6pt]\bullet \ \text{Input } x(t) \text{ produces output } y(t) \\[8pt]\text{Then:} \\[6pt]\bullet \ \text{A delayed input } x(t - t_0) \text{ produces a delayed output:} \\[6pt]y(t - t_0) \\[10pt]\text{So, delaying the input by } t_0 \text{ results in the output being delayed by the same amount, with no change in shape or amplitude.}​​

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