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ECE :: Network Analysis and Synthesis

  1. Double integration of unit step function leads to

  2. A.
    an impulse
    B.
    a parabola
    C.
    a ramp
    D.
    a doublet

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  3. A conductor has a cylindrical shape with a diameter d. Its resistance is 2 Ω. It is recast into a cylindrical conductor of diameter 0.3d. The resistance of new conductor is likely to be

  4. A.
    less than 2 Ω
    B.
    less than 0.6 Ω
    C.
    between 2 and 100 Ω
    D.
    more than 100 Ω

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  5. One commercial unit of energy is equal to

  6. A.
    1 watt-sec
    B.
    1 kilowatt-sec
    C.
    1 kilowatt-hour
    D.
    One watt-hour

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  7. In figure which is correct at any time t

  8. A.
    I = iR + iL
    B.
    I = iR + iL iC
    C.
    I = iR + iL - iC
    D.
    I = iR - iL - iC

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  9. Two coupled coils with self inductances of 4 mH and 16 mH are connected in series. The maximum possible value of inductance can be

  10. A.
    36 mH
    B.
    20 mH
    C.
    28 mH
    D.
    64 mH

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  11. In using KCL it is necessary that current leaving a node is written as negative.

  12. A.
    True
    B.
    False

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  13. A resistor is rated at 0.75 watt, 1 kΩ. Its current rating is

  14. A.
    1 mA
    B.
    27.386 mA
    C.
    1.268 mA
    D.
    5.393 mA

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