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ECE :: Analog Electronics

Analog Electronics - Section 1
Analog Electronics - Section 2
Analog Electronics - Section 3
Analog Electronics - Section 4
Analog Electronics - Section 5
Analog Electronics - Section 6
Analog Electronics - Section 7
Analog Electronics - Section 8
Analog Electronics - Section 9
Analog Electronics - section-1
Analog Electronics - Section 10
Analog Electronics - Section 11
Analog Electronics - Section 12
Analog Electronics - Section 13
Analog Electronics - Section 14
Analog Electronics - Section 15
Analog Electronics - Section 16
Analog Electronics - Section 17
Analog Electronics - Section 18
Analog Electronics - Section 19
Analog Electronics - Section 20
Analog Electronics - Section 21
Analog Electronics - section-22
Analog Electronics - Section-23

  1. The ripple factor of a full wave rectifier is about 0.5

    2. A.
    True
    B.
    False

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  2. Which of the following statement is false?

    3. A.
    The zener diode is uses as a constant voltage source
    B.
    The SCR is a silicon rectifier with a gate electrode to control when current flows from cathode to anode
    C.
    The gate electrode in the FET corresponds to the collector in a bipolar transistor
    D.
    None of the above

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  3. The configuration of figure is a

    4. A.
    Hartley oscillator
    B.
    Precision Integrator
    C.
    Wienbridge oscillator
    D.
    Butterworth high pass filter

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  4. The voltage gains of an amplifier without feedback and with negative feedback respectively are 100 and 20. The percentage of negative feedback would be.

    5. A.
    40%
    B.
    5%
    C.
    20%
    D.
    80%

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  5. In a CE amplifier circuit, the output voltage

    6. A.
    is very small
    B.
    is always constant
    C.
    depends on β
    D.
    none of the above

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  6. CMOS is widely used in

    7. A.
    digital wrist watches
    B.
    analog circuits
    C.
    high power circuits
    D.
    all of the above

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  7. Oscillation frequency in colpitt's oscillator is

    8. A.
    B.
    C.
    D.
    none of these

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  8. A JFET can operate on

    9. A.
    enhancement mode only
    B.
    depletion mode only
    C.
    both depletion as well as enhancement modes
    D.
    neither depletion nor enhancement mode

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  9. Which of the following is the point of reference JFET?

    10. A.
    Drain
    B.
    Gate
    C.
    Source
    D.
    None of the above

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  10. A Darlington pair consist of

    11. A.
    two CB amplifiers
    B.
    two CC amplifiers
    C.
    two cascaded CC amplifiers
    D.
    two cascaded CE amplifiers

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