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ECE :: Network Analysis and Synthesis

  1. The realization of a reactance function gives

  2. A.
    a network having inductances only
    B.
    a network having capacitances only
    C.
    a network having resistances only
    D.
    a network having inductances and capacitances only

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  3. The correct relation between energy and charge is

  4. A.
    Energy = voltage/charge
    B.
    Charge = Energy x voltage
    C.
    Energy = voltage (charge)0.5
    D.
    Energy = voltage x charge

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  5. A two branch parallel tuned circuits has a coil of resistance R and inductance L in one branch and capacitance C in the second branch. The bandwidth is 200 radians/sec. A load of resistance RL is connected in parallel. The new bandwidth will be

  6. A.
    200 rad/sec
    B.
    more than 200 rad/sec
    C.
    less than 200 rad/sec
    D.
    200 rad/sec or less

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  7. The correct relation between joules and calories is

  8. A.
    calories = joules/4.156
    B.
    joules = calories/4.156
    C.
    calories = joules x 107/4.156
    D.
    joules = calories x 107/4.156

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  9. The filter in figure, uses ideal op-amp. It is

  10. A.
    low pass filter
    B.
    high pass filter
    C.
    band pass filter
    D.
    band stop filter

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  11. For a rectified sinusoidal wave clipped at 0.707 its peak value (figure), the average value is

  12. A.
    70.7 V
    B.
    63.7 V
    C.
    54 V
    D.
    15 V

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  13. A voltage v = 100 sin (100 pt + 45°) V is applied to an impedance 10 + j10 ohm. The current is

  14. A.
    10 ∠45° A
    B.
    7.07 ∠45° A
    C.
    5 ∠45° A
    D.
    5 ∠0 A

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