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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. In a CE amplifier the collector resistance is short circuited. The ac output voltage will

    2. A.
    increases
    B.
    remains the same
    C.
    increases or decreases
    D.
    decreases

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  2. In a transistor CE mode, VCC = +30 V. If the transistor is in cut off region, VCE =

    3. A.
    +30 V
    B.
    +20 V
    C.
    10 V
    D.
    zero

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  3. The dc load current in a bridge rectifier circuit is 10 mA. The dc load current through each diode is

    4. A.
    40 mA
    B.
    20 mA
    C.
    10 mA
    D.
    5 mA

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  4. An integrating amplifier has resistance in feedback path.

    5. A.
    True
    B.
    False

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  5. The units of transistor h parameters h11 and h22 are the same.

    6. A.
    True
    B.
    False

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  6. Positive feedback is mainly used in

    7. A.
    oscillators
    B.
    thyristors
    C.
    voltage regulators
    D.
    both (a) and (b)

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  7. For a BJT if β = 50, ICEO = 3 μA and IC = 1.2 mA then IB

    8. A.
    24 μA
    B.
    23 μA
    C.
    20 μA
    D.
    10 μA

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  8. In figure, ID = 4 mA. Then VD =

    9. A.
    20 V
    B.
    10 V
    C.
    30 V
    D.
    1 V

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  9. The main application of enhancement mode MOSFET is in

    10. A.
    amplifier circuits
    B.
    oscillator circuits
    C.
    switching circuits
    D.
    all of the above

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  10. A circuit using an op-amp is shown in the given figure. It has

    11. A.
    voltage series feedback
    B.
    voltage shunt feedback
    C.
    current shunt feedback
    D.
    current series feedback

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