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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

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  3. The Q factor of a series RLC circuit is

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  5. The function

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

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

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

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

  10. 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

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

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

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  13. The distributors for residential areas are

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

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

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

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

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

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

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

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