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ECE :: Network Analysis and Synthesis

Network Analysis and Synthesis - Section 1
Network Analysis and Synthesis - Section 2
Network Analysis and Synthesis - Section 3
Network Analysis and Synthesis - Section 4
Network Analysis and Synthesis - Section 5
Network Analysis and Synthesis - Section 6
Network Analysis and Synthesis - Section 7
Network Analysis and Synthesis - Section 8
Network Analysis and Synthesis - Section 9
Network Analysis and Synthesis - Section 10
Network Analysis and Synthesis - Section 11
Network Analysis and Synthesis - Section 12
Network Analysis and Synthesis - Section 13
Network Analysis and Synthesis - Section 14
Network Analysis and Synthesis - Section 15
Network Analysis and Synthesis - Section 16
Network Analysis and Synthesis - Section 17
Network Analysis and Synthesis - Section 18
Network Analysis and Synthesis - Section 19
Network Analysis and Synthesis - Section 20
Network Analysis and Synthesis - Section 21
Network Analysis and Synthesis - Section 22
Network Analysis and Synthesis - Section 23
Network Analysis and Synthesis - Section 24
Network Analysis and Synthesis - Section 25
Network Analysis and Synthesis - Section 26
Network Analysis and Synthesis - Section 27

  1. Assertion (A): A complicated waveform can be replaced by sum or difference of two or more waveforms.

    Reason (R): The method of superposition is applicable only to linear systems.

    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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  2. The phase velocity v in a transmission line is

    3. A.
    LC
    B.
    C/L
    C.
    L/C
    D.
    1/LC

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  3. A circuit is fed by two sources of different frequency and magnitudes 100 ∠0° V and 50 ∠30°V. The current in a particular branch is 10 ∠20° A. If the magnitudes of the sources are changed to 200 ∠0° V and 100 ∠0° V, the current in that branch should be

    4. A.
    20 ∠20° A
    B.
    10 ∠20° A
    C.
    14.14 ∠20° A
    D.
    10 ∠- 20° A

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  4. In gases the flow of current is due to

    5. A.
    positive ions only
    B.
    electrons only
    C.
    electrons, positive ions and negative ions
    D.
    electrons and positive ions

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  5. A two port network is said to be reciprocal if

    6. A.
    h12 = - h21
    B.
    AD - BC = 1
    C.
    y12 = y21
    D.
    all

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  6. For the current wave i = 10 + 10 sin θ, the rms value is

    7. A.
    10 A
    B.
    12.247 A
    C.
    20 A
    D.
    14.14 A

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  7. In figure, I =

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  8. The impedance parameter z21 is

    9. A.
    transfer impedance at port 1 with port 2 open circuited
    B.
    transfer impedance at port 1 with port 2 short circuited
    C.
    transfer impedance at port 2 with port 1 open circuited
    D.
    transfer impedance at port 2 with port 1 short circuited

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  9. Measurement of an unknown voltage with a dc potentiometer loses its advantage of open circuit measurement when

    10. A.
    the primary circuit battery is changed
    B.
    standardization has to be done again to compensate for drifts
    C.
    voltage is larger than range of the potentiometer
    D.
    range reduction by a factor of 10 is employed

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  10. A parallel resonant circuit can be used

    11. A.
    as a high impedance
    B.
    to reject a small band of frequencies
    C.
    both (a) and (b)
    D.
    to amplify certain frequencies

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