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CSE :: Electronic Principles

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Electronic Principles - Section 4
Electronic Principles - Section 5

  1. The total inductance of a series inductor circuit is:

    2. A.
    equal to the sum of the individual inductance values
    B.
    equal to the sum of the individual inductive-reactance values
    C.
    less than the value of the smallest inductor
    D.
    equal to the source voltage divided by total current
    E.
    None of the above

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  2. Determine the resistance value and tolerance of a resistor that has the following color bands; first band is red, second band is red, third band is orange, and the fourth band is gold

    3. A.
    220 Ohm, 5%
    B.
    220 Ohm, 10%
    C.
    22,000 Ohm, 5%
    D.
    22, 000 Ohm, 10%
    E.
    None of the above

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  3. Which one of the following is most likely used for measuring the rate of electron flow?

    4. A.
    Voltmeter
    B.
    Ammeter
    C.
    Wattmeter
    D.
    Ohmmeter
    E.
    None of the above

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  4. Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff?

    5. A.
    20 Ohm
    B.
    30 Ohm
    C.
    10 Ohm
    D.
    100 Ohm
    E.
    None of the above

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  5. Which one of the following statements regarding ac circuits is correct?

    6. A.
    Current and voltages are in phase through a resistor
    B.
    Current leads the voltage through a resistor
    C.
    Current lags the voltage through a resistor
    D.
    All of the above
    E.
    None of the above

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  6. Which one of the following statements most accurately describes the nature of inductive reactance?

    7. A.
    Inductive reactance is an opposition to current flow in dc circuits
    B.
    Inductive reactance is an opposition to current flow in ac circuits
    C.
    Inductive reactance is another term for counter emf
    D.
    Inductive reactance is a force that tends to overcome the effects of counter emf
    E.
    None of the above

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  7. What are the main parts of an atom?

    8. A.
    Protons only
    B.
    Electrons, protons, and ions
    C.
    Electrons, ions, and neutrons
    D.
    Electrons, protons, and neutrons
    E.
    None of the above

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  8. Current is

    9. A.
    The flow of charged particles through a material
    B.
    An imbalance of electrical charges
    C.
    The force that causes electrons to flow
    D.
    The number of free electrons in an atom
    E.
    None of the above

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  9. A real voltage source has

    10. A.
    Zero internal resistance
    B.
    Infinite internal resistance
    C.
    A small internal resistance
    D.
    A large internal resistance
    E.
    None of the above

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