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ECE :: Network Analysis and Synthesis

  1. The two port networks are connected in cascade, the combination is to be represented as a single two-Port network. The parameters of the network are obtained by multiplying the individual matrix

  2. A.
    z-parameter
    B.
    h-parameter
    C.
    y-parameter
    D.
    ABCD parameter

  3. Which one of the following statements is not a property of RL driving point impedance?

  4. A.
    The first critical frequency at the origin is a zero
    B.
    The last critical frequency is a pole
    C.
    The impedance at S = ∞ always less than the impedance at S = zero
    D.
    The slope of the impedance curve is positive at all points

  5. In using mesh current method it is necessary that at least one mesh current links every element.

  6. A.
    True
    B.
    False

  7. In figure, the ratio V24/V23 is


  8. The pass band of a constant k filter with Z1 and Z2 as series and shunt arm impedances is given by


  9. Which one is correct option, if initial conditions is not zero, for inductor (L) and capacitor (c) is

  10. A.
    1, 3
    B.
    3, 2
    C.
    4, 1
    D.
    2, 4

  11. An RC impedance function has a constant value at s = 0. The last element in the first cauer synthesis

  12. A.
    will be a capacitor
    B.
    may be R or C
    C.
    will be R
    D.
    will depend on the behaviour of function at s = ∞

  13. Two port Z parameter not exist for the circuit if

  14. A.
    Δz = 0
    B.
    Δz
    C.
    Δz = 1
    D.
    always exist

  15. The current density J at a point and current I are related as

  16. A.
    True
    B.
    False

  17. If the time is counted from the instant when an ac wave is at its peak value, we get a

  18. A.
    sine wave
    B.
    cosine wave
    C.
    distorted sine wave
    D.
    none of the above