Home / ECE / Network Analysis and Synthesis :: Section 15

ECE :: Network Analysis and Synthesis

  1. Which one is correct statement?

    1. Circuit is always open
    2. Network is always open
    3. Circuit is always closed
    4. Network is always closed

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

  3. The Q factor of a series RLC circuit is


  4. The function

  5. A.
    is a reactance function
    B.
    is an RC function
    C.
    is an RL function
    D.
    may be reactance function or RC function

  6. If the network in figure (1), (2) are equivalent at terminals A - B, then voltage V and resistance R are

  7. A.
    100V and 12 Ω
    B.
    60V and 12 Ω
    C.
    100V and 30 Ω
    D.
    60V and 30 Ω

  8. A source is delivering maximum power to a resistance through a network. The ratio of power delivered to the source power,

  9. A.
    is always 0.5
    B.
    may be 0.54 or less
    C.
    may be 0.5 or less
    D.
    may be 0.5 or more

  10. The Laplace transform of a function is The function is

  11. A.
    E sin at
    B.
    Ee-at
    C.
    1/(s + a)
    D.
    E cos at

  12. The distributors for residential areas are

  13. A.
    single phase
    B.
    three phase three wire
    C.
    three phase 4 wire
    D.
    (a) or (b)

  14. In ZRC(s) has a pole at s = 0, the first element in second Foster realization is

  15. A.
    R
    B.
    C
    C.
    R and C in series
    D.
    R and C in parallel

  16. A delta connection contains three impedances of 60 Ω each. The impedances of equivalent star connection will be

  17. A.
    15 Ω
    B.
    20 Ω
    C.
    30 Ω
    D.
    40 Ω

  18. A unit impulse current δ (t - b) is applied to a capacitance C. The voltage across capacitance is

  19. A.
    B.
    C δ (t - b)
    C.
    Cu (t - b)
    D.