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

ECE :: Network Analysis and Synthesis

  1. If F1(s) and F2(s) are two positive real functions, then the function which is always positive real is

  2. A.
    F1(s) F2(s)
    B.
    F1(s) - F2(s)
    C.
    D.
    F1(s)/F2(s)

  3. The condition AD - BC = 1 for two port network implies that the network is a

  4. A.
    reciprocal
    B.
    lumped element network
    C.
    lossless network
    D.
    unilateral element network

  5. The units for electrochemical equivalent are

  6. A.
    grams
    B.
    grams per coulomb
    C.
    gram-coulomb
    D.
    grams per ampere

  7. Two coupled coils A and B are connected in series. The total inductances in series aiding and series opposing connections are LA and LB. The mutual inductance M is


  8. The impedance 3.2 - j 12 in polar form is given as

  9. A.
    6.4 ∠ - 75°
    B.
    8.4 ∠ - 75°
    C.
    10.4 ∠ - 75°
    D.
    12.4 ∠ - 75°

  10. The differential equation for the current i(t) in the circuit of the figure is


  11. For an R-C impedance function, the residues at all poles are

  12. A.
    real
    B.
    imaginary
    C.
    real and positive
    D.
    positive

  13. In the circuit shown in figure, maximum power will be transferred when

  14. A.
    ZL = 13 - j 9
    B.
    ZL = 13 + j 9
    C.
    ZL = 9 - j 13
    D.
    ZL = 9 + j 13

  15. In the analogy between electric and magnetic circuits, flux is analogous to

  16. A.
    current
    B.
    voltage
    C.
    rate of charge of current
    D.
    rate of charge of voltage

  17. A two port network is reciprocal if and only if

  18. A.
    Z11 = Z22
    B.
    BC - AD = - 1
    C.
    Y12 = Y21
    D.
    h12 = h21