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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

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  3. In figure, VAB =

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

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  5. In figure, the effective resistance across AB is

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

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  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

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  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)

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  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

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  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.

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

  16. A.
    True
    B.
    False

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