Multiple choice

If the unit step response of a network is $(1 - e^{-\omega t})$, then its unit impulse response is

  1. $\alpha e^{-\omega t}$
  2. $\alpha^{-t} e^{-\omega t}$
  3. $(1 - \alpha^{-1}) e^{-\omega t}$
  4. $(1 - \alpha) e^{-\omega t}$
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A Correct answer
Explanation