For a T-network if the Open circuit impedance parameters are given as z11, z21, z12, z22, then z11 in terms of Hybrid parameters can be expressed as ________

z11 = \(\left(h_{11} – \frac{h_{21} h_{12}}{h_{22}}\right) \)

z11 = – \(\frac{h_{21}}{h_{22}} \)

z11 = \(\frac{h_{12}}{h_{22}} \)

For a T-network if the Open circuit impedance parameters are given as

1.	For a T-network if the Open circuit impedance parameters are given as z11, z21, z12, z22, then z11 in terms of Hybrid parameters can be expressed as ________
A.	z11 = \(\left(h_{11} – \frac{h_{21} h_{12}}{h_{22}}\right) \)
B.	z11 = – \(\frac{h_{21}}{h_{22}} \)
C.	z11 = \(\frac{h_{12}}{h_{22}} \)
D.	z11 = \(\frac{1}{h_{22}} \)
Answer» B.

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