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Network TheoryMatrix Network Analysis

In a passive reciprocal resistive network, the nodal admittance matrix is typically?

  • ASkew-symmetric
  • BSymmetric
  • CAlways diagonal
  • DSingular after choosing a reference node in every case
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Correct Answer: B. Symmetric
Explanation: For a reciprocal resistive network, mutual admittance terms satisfy symmetry, so the reduced nodal admittance matrix is symmetric.
Reference: Standard network theory: reciprocal nodal matrix
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