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Network Elements and the Concept of Circuit

  1. The Y-parameters of a 2-port network are:
    [Y] =
    5
    3
    S
    12

    A resistor of I ohm is connected across as shown below. The new Y-parameter would be—


    1. 6
      4
      S
      23
    2. 6
      2
      S
      03
    3. 5
      4
      S
      22
    4. 4
      4
      S
      21
Correct Option: B

Y-parameter of 1 Ω resistor network are

= det
1
–1
–11


New Y-parameter =
5
3
+
1
–1
12–11

=
6
2
03

Hence alternative (B) is the correct choice.



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