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Network TheoryMatrix Network Analysis

For two distinct nodes i and j directly connected by admittance y, the off-diagonal nodal-matrix entries Yij and Yji are normally?

  • A+y
  • B+2y
  • C-y
  • D1/y
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Correct Answer: C. -y
Explanation: Under the standard nodal convention, a branch admittance between two non-reference nodes contributes -y to the corresponding off-diagonal entries.
Reference: Standard network theory: nodal matrix off-diagonal
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