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Signals & SystemsLTI Systems

For a causal continuous-time LTI system, h(t) must be zero for?

  • At>0
  • Bt<0
  • Ct=1 only
  • DAll t
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Correct Answer: B. t<0
Explanation: Causality requires h(t)=0 for t<0.
Reference: Standard signals and systems: lti systems
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