Home / ECE / Network Analysis and Synthesis :: Section 11

ECE :: Network Analysis and Synthesis

  1. If J, I and a denote current density, current and area of cross section of a conductor, then

  2. A.
    J = Ia
    B.
    J = I/a2
    C.
    J = I/a
    D.
    J = Ia2

  3. In figure, the short circuit current through terminal AB will be

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

  5. If A = 3 + j1, A4

  6. A.
    100 ∠18.43°
    B.
    100 ∠73.72°
    C.
    10 ∠18.43°
    D.
    10 ∠73.72°

  7. A low pass single pole filter has a the corner frequency and its phase shift are

  8. A.
    1K rad/sec
    B.
    40 kHz
    C.
    4 kHz
    D.
    40 x 103 rad/sec

  9. If A = 3 + j1 and B = 4 + j3, A + B =

  10. A.
    7 ∠45°
    B.
    10 ∠45°
    C.
    8.062 ∠29.7°
    D.
    8.062 ∠73°

  11. When a constant voltage source and constant current source are in series, the current source is ineffective.

  12. A.
    True
    B.
    False

  13. Identify which of the following is not a tree of the graph shown in figure

  14. A.
    bcgh
    B.
    defg
    C.
    abfg
    D.
    aegh

  15. The response of a network is shown in figure. Which of following represents location of poles?


  16. The network has 10 nodes and 17 branches. The number of different node power voltages would be

  17. A.
    7
    B.
    9
    C.
    10
    D.
    45

  18. For the time domain response shown in figure the pole

  19. A.
    lies in left half plane
    B.
    lies on imaginary axis
    C.
    lies along the positive real axis
    D.
    may be complex or imaginary