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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

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  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

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

  6. A.
    True
    B.
    False

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  7. In figure, the ratio V24/V23 is

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

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

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

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

  14. 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 = ∞

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

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

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

  18. A.
    True
    B.
    False

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

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

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