The condition for a 2port network to be reciprocal is ______________(a) Z11 = Z22(b) BC – AD = -1(c) Y12 = -Y21(d) h12 = h21I have been asked this question by my college professor while I was bunking the class.This interesting question is from Series-Series Connection of Two Port Network topic in chapter Two-Port Networks of Network Theory

The condition for a 2port network to be reciprocal is ______________(a

1.	The condition for a 2port network to be reciprocal is ______________(a) Z11 = Z22(b) BC – AD = -1(c) Y12 = -Y21(d) h12 = h21I have been asked this question by my college professor while I was bunking the class.This interesting question is from Series-Series Connection of Two Port Network topic in chapter Two-Port Networks of Network Theory
Answer» Right choice is (b) BC – AD = -1 Best explanation: If the NETWORK is reciprocal, then the ratio of the RESPONSE TRANSFORM to the excitation transform would not vary after INTERCHANGING the position of the excitation.

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