MCQ Practice Question

If a two-port z-parameter matrix has determinant Delta_z, the y-parameter matrix, when the inverse exists, is obtained by?

  • AMultiplying every z-entry by Delta_z
  • BMatrix inversion of Z
  • CAdding the four z-parameters
  • DTransposing Z only
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Correct Answer: B. Matrix inversion of Z
Explanation: The admittance matrix is Y=Z^{-1}, provided det(Z) is nonzero.
Reference: Standard network theory: z-to-y conversion
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