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ECE :: Network Analysis and Synthesis

  1. Assertion (A): Two terminal black boxes of R and C can be identified by plotting their static V-I characteristics.

    Reason (R): The V-I characteristic of resistance is a straight line of slope R passing through origin.

  2. A.
    Both A and R are true and R is correct explanation of A
    B.
    Both A and R are true and R is not the correct explanation of A
    C.
    A is true but R is false
    D.
    A is false but R is true

  3. In figure, VAB =

  4. A.
    6 V
    B.
    10 V
    C.
    25 V
    D.
    40 V

  5. In figure, the effective resistance across AB is

  6. A.
    R
    B.
    R - 1
    C.
    R/2
    D.

  7. For the wave shown in figure, the average value is

  8. A.
    14.14 A
    B.
    15 A
    C.
    17.17 A
    D.
    19.19 A

  9. The dc voltage applied to an R-L series circuit is suddenly changed from V1 to V2. The expression for transient current is

  10. A.
    B.
    C.
    D.
    either (a) or (c)

  11. One ampere means the flow of

  12. A.
    One coulomb each minute
    B.
    One electron per second
    C.
    One coulomb per second
    D.
    One coulomb each hour

  13. For the following circuit a source of V1(t) = e-2t is applied, then the resulting response V2(t) is given by

  14. A.
    e-2t + e-t
    B.
    e-t
    C.
    e-t - e-2t
    D.

  15. When R and C are connected in parallel, phase angle of Y is positive.

  16. A.
    True
    B.
    False