Home / ECE / Network Analysis and Synthesis :: Section 21

ECE :: Network Analysis and Synthesis

  1. Bandwidth will be

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

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

  4. A.
    True
    B.
    False

  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

  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

  9. According to initial value theorem which one is correct

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

  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

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


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

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

  16. 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

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

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

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