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ECE :: Network Analysis and Synthesis

  1. Bandwidth will be

  2. A.
    a.b
    B.
    a + b
    C.
    a
    D.
    b

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  3. In carbon resistor colour code, the fourth band indicates tolerance.

  4. A.
    True
    B.
    False

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  5. For any given two port network, any parameter set can be determined from measurements made at the two ports.

  6. A.
    True
    B.
    False

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  7. For 200V r.m.s. value triangular wave, the peak voltage will be

  8. A.
    200 V
    B.
    222 V
    C.
    280 V
    D.
    346 V

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  9. According to initial value theorem which one is correct

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

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  11. A two terminal black box contains one of the elements R, L, C. The black box is connected to 220 V as supply. The current is I, when a capacitance of 0.1 F is connected in series between the source and box, the current is 2I. The elements is

  12. A.
    resistance
    B.
    inductance
    C.
    capacitance of 0.5 F
    D.
    not identifiable form the given data

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  13. Which of the following graphs in figure correctly represents the variation of capacitive reactance with frequency?

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  15. If Z(s) is positive real, then where k has only positive real values is also positive real. This hypothesis was first given by

  16. A.
    O'Brune
    B.
    R. Richards
    C.
    Bott and Duffin
    D.
    P. S. Laplace

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  17. For a voltage transfer function H(s), realizable by RLC network, the following statements are made

    1. H(s) cannot have a pole at s = 0
    2. H(s) cannot have a pole at s = ± j4
    3. H(s) cannot have a pole at s = ∞
    4. H(s) cannot have a pole at s = + 2
    Of these statements

  18. A.
    3 and 4 are correct
    B.
    2 and 4 are correct
    C.
    1 and 2 are correct
    D.
    1 and 3 are correct

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  19. In figure the effective resistance faced by voltage source is

  20. A.
    1 Ω
    B.
    2 Ω
    C.
    3 Ω
    D.
    3.3 Ω

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