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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. In an R-L circuit excited by a battery of voltage E, the current and voltage across resistor are 1- e-t and 2(1 - e-t) respectively. If there were an initial current of 2 A in the inductance, the voltage across resistance would have been

    2. A.
    1 - e-t
    B.
    2 - 2e-t
    C.
    2 + 2e-t
    D.
    4 - 4e-t

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  2. Stray capacitance is important at low frequencies.

    3. A.
    True
    B.
    False

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  3. A non-linear element has zero resistance.

    4. A.
    True
    B.
    False

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  4. In a RL circuit, the angle, θ by which the current lags the voltage is

    5. A.
    0 > θ > - 90°
    B.
    90°
    C.
    0°
    D.
    0 < θ < 90°

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  5. v-i relation for a capacitor is

    6. A.
    True
    B.
    False

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  6. The time constant of the circuit in figure is

    7. A.
    6 sec
    B.
    10 sec
    C.
    D.
    16 sec

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  7. The damping coefficient for the given circuit is __________

    8. A.
    1/2
    B.
    1/4
    C.
    2
    D.
    1

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  8. A 60 W, 23 V bulb is used for 45 minutes. The electrical energy consumed in commercial units is

    9. A.
    2700 units
    B.
    0.45 units
    C.
    4.5 units
    D.
    0.045 units

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  9. In an ideal current source, the source resistance is zero.

    10. A.
    True
    B.
    False

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  10. A choke coil has a resistance to reactance ratio of 0.2. The power factor of the choke coil is

    11. A.
    less than 0.2 lagging
    B.
    less than 0.2 leading
    C.
    about 1
    D.
    about 0

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