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GATE Electrical 2021 | Question: 6

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If the input $x(t)$ and output $y(t)$ of a system are related as $y\left ( t \right )=\text{max}\left ( 0,x\left ( t \right ) \right ),$ then the system is

  1. linear and time-variant
  2. linear and time-invariant
  3. non-linear and time-variant
  4. non-linear and time-invariant

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