Two Port Network – 1 – 1

1. A two-port network is simply a network inside a black box, and the network has only :

(a) two terminals
(b) two pairs of accessible terminals
(c) two pairs of ports
(d) none of these

ANSWER

EXPLANATION

2. The number of possible combination generated by four variables taken two at a time in a two-port network is :

(a) four
(b) two
(c) six
(d) none of these

ANSWER

EXPLANATION

3. Two Two-port networks are connected in cascade. The combination is to the represented as a single two – port network, by multiplying the individual :

(a) z-parameter matrices
(b) h-parameter matrices
(c) y-parameter matrices
(d) ABCD parameter

ANSWER

EXPLANATION

4. Which among the following represents the precise condition of reciprocity for transmission parameters ?

(a) AB – CD = 1
(b) AD – BC = 1
(c) AC – BD = 1
(d) None of the above

ANSWER

EXPLANATION

5. Which is the correct condition of symmetry observed in z-parameters?

(a) z11 = z22
(b) z11 = z12
(c) z12 = z22
(d) z12 = z21

ANSWER

EXPLANATION

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