For simple impedance Z, the ABCD parameters are:

A=0, B=1, C=1, D=0

A=1, Z=B, C=0, D=1

A=Z, B=1, C=1, D=0

A=1, B=0, C=Z, D=1

Correct Answer : Option (B) : A=1, Z=B, C=0, D=1

Explanation : If simple impedance or an equivalent impedance of a network is represented as a ABCD matrix, writing the equations in terms of voltage and current and setting each variable to zero, the four constants are obtained. For an impedance Z, the constants are A=1, Z=B, C=0, D=1.

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