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ECE :: Network Analysis and Synthesis

  1. A network is said to be non-linear if it does not satisfy

  2. A.
    homogeneity condition
    B.
    superposition condition
    C.
    both (a) and (b)
    D.
    associative condition

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  3. A reactance function

  4. A.
    has a pole at origin
    B.
    has a zero at origin
    C.
    may have a pole or zero at origin
    D.
    has a pole or zero at origin and a pole or zero at infinity

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  5. The condition on R, L and C such that the step response y(t) in the figure has no oscillation, is

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  7. At a frequency less than the resonant frequency

  8. A.
    series circuit is inductive and parallel circuit is capacitive
    B.
    series circuit is capacitive and parallel circuit is inductive
    C.
    both circuits are capacitive
    D.
    both circuits are inductive

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  9. The voltage of single phase supply to residential consumers in India is

  10. A.
    400 V
    B.
    230 V
    C.
    2.2 kV
    D.
    11 kV

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  11. Power factor of the following circuit will be unity

  12. A.
    inductance
    B.
    capacitance
    C.
    resistance
    D.
    both (a) and (b)

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  13. In the transformer shown in figure, the inductance measured across terminal 1 and 2 was 4 H with terminals 3 and 4 open. It was 3H when terminals 3 and 4 are short circuited. The coefficient of coupling is

  14. A.
    1
    B.
    0.707
    C.
    0.5
    D.
    indeterminate due to insufficient data

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  15. The time constant of the network shown in figure is, when switch is closed.

  16. A.
    2RC
    B.
    C.
    RC/2
    D.
    none

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  17. For an ideal transformer

  18. A.
    only Y parameter exist
    B.
    only Z parameter
    C.
    Z, Y both exist
    D.
    neither Z parameter nor Y parameter exist

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