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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. The average value of delayed full wave rectified sine wave (figure) is

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  2. A current increasing at the rate of 1 A/s is passed through 1 F capacitor. At t = 0, i = 0. The charge stored after 1 second is

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

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  3. An RLC series circuit has R = 30 Ω, XL = 30 Ω and XC = 30 W. Its impedance is

    4. A.
    30 ∠0°.
    B.
    30 ∠45°
    C.
    42.42 ∠45°
    D.
    90 ∠45°.

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  4. R, L and C are in parallel. The circuit is switched on to a constant current source I at t = 0. At t = ∞ the current through inductance is I.

    5. A.
    True
    B.
    False

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  5. A 2 mH inductor with some initial current can be represented as shown below, where s is the Laplace transform variable. The value of initial current is

    6. A.
    0.5 A
    B.
    1.0 A
    C.
    2.0 A
    D.
    0.0 A

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  6. As temperature increases, the temperature coefficient of metals increases.

    7. A.
    True
    B.
    False

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  7. In a 3 phase system, the zero sequence component of line to line voltages is zero

    8. A.
    if line to line voltages are balanced
    B.
    if line to line voltages are unbalanced
    C.
    if line to line voltages are balanced or unbalanced
    D.
    if degree of unbalanced in line to line voltages is small

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  8. Magnetic effect of current is used in generators but not in motors.

    9. A.
    True
    B.
    False

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  9. For a nonlinear resistance

    10. A.
    v-i plot is not a straight line
    B.
    resistance increases as current increases
    C.
    resistance decreases as current increases
    D.
    current decreases as voltage increases

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  10. The Z parameters Z11 and Z21 for the 2-port network in the figure.

    11. A.
    Z11 = - 6/11Ω; Z21 = 16/11Ω
    B.
    Z11 = 6/11Ω; Z21 = 4/11Ω
    C.
    Z11 = 6/11Ω; Z21 = - 16/11Ω
    D.
    Z11 = 4/11Ω; Z21 = 4/11Ω

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