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For H(s)=(2s+5)/(s+4), the high-frequency gain limit as |s| tends to infinity is?

  • A0
  • B1
  • C2
  • D5
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Correct Answer: C. 2
Explanation: For numerator and denominator of equal degree, the high-frequency limit is the ratio of leading coefficients, 2/1=2.
Reference: Standard network theory: high-frequency gain
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