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CSE :: Electronic Principles

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Electronic Principles - Section 4
Electronic Principles - Section 5

  1. 1 Microfarad is the same as:

    2. A.
    1 millionth of a picofarad
    B.
    1000 millifarads
    C.
    1 million picofarads
    D.
    1 million farads
    E.
    None of the above

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  2. Which one of the following statements is true for resistance in a parallel circuit?

    3. A.
    The total resistance is equal to the sum of the individual resistances in a parallel circuit.
    B.
    The total resistance of a parallel circuit is always less than the value of the smallest resistance
    C.
    The total resistance of a parallel circuit is equal to the total voltage
    D.
    The total resistance in a parallel circuit is equal to the average value of the individual resistances
    E.
    None of the above

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  3. The direction of conventional current flow is:

    4. A.
    from negative to positive
    B.
    from positive to negative
    C.
    from left to right
    D.
    from neutral to positive
    E.
    None of the above

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  4. Doubling the operating frequency of a purely inductive circuit:

    5. A.
    doubles the amount of current through the inductors
    B.
    has no effect on the current through the inductors
    C.
    cuts the current through the inductors one-half
    D.
    increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit
    E.
    None of the above

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  5. The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be:

    6. A.
    One-half the primary current
    B.
    Same as the primary current
    C.
    Twice the primary current
    D.
    No more than 10% less than the primary current
    E.
    None of the above

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  6. What is a free electron?

    7. A.
    An electron that has been freed from its parent atom
    B.
    An electron that costs nothing
    C.
    An electron that has no electrical charge
    D.
    An electron that has twice the amount of charge of a normal electron
    E.
    None of the above

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  7. To get the Norton current, you have to

    8. A.
    Short the load resistor
    B.
    Open the load resistor
    C.
    Short the voltage source
    D.
    Open the voltage source
    E.
    None of the above

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  8. Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit?

    9. A.
    Flux density
    B.
    Number of lines of force
    C.
    Magnetomotive force
    D.
    Reluctance
    E.
    None of the above

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  9. What kind of battery is most likely included in a cordless electric knife?

    10. A.
    Zinc-carbon battery
    B.
    Mercury-cell battery
    C.
    Nicad battery
    D.
    Lead-acid battery
    E.
    None of the above

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  10. The basic unit of measurement for resistance is the:

    11. A.
    volt
    B.
    ampere
    C.
    ohm
    D.
    watt
    E.
    None of the above

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