ETC EngineeringMCQs
Home › Network Theory › A reciprocal two-port has z12=3 ohm. What must z21 be?
MCQ Practice Question
Network TheoryTwo-Port Networks

A reciprocal two-port has z12=3 ohm. What must z21 be?

  • A-3 ohm
  • B0 ohm
  • C3 ohm
  • D1/3 siemens
Report an error
Correct Answer: C. 3 ohm
Explanation: Reciprocity in z-parameters requires z12=z21, hence z21=3 ohm.
Reference: Standard network theory: z-parameter reciprocity numerical
Continue practicing: Network Theory MCQs or browse all MCQs.