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Network TheoryNetwork Functions

A unit-step input has Laplace transform 1/s. For H(s)=5/(s+5), the output transform is?

  • A5/(s+5)
  • B1/[s(s+5)]
  • C5/[s(s+5)]
  • Ds/(s+5)
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Correct Answer: C. 5/[s(s+5)]
Explanation: Y(s)=H(s)X(s)=[5/(s+5)](1/s)=5/[s(s+5)].
Reference: Standard network theory: step response in s-domain
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