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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 static characteristic of an adequately forward biased p-n junction is a straight line if the plot is of

    2. A.
    log I vs log V
    B.
    log I vs V
    C.
    I vs log V
    D.
    I vs V

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  2. The main use of JFET with a

    3. A.
    frequency mixer
    B.
    source follower
    C.
    voltage doubler
    D.
    trigger

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  3. Assertion (A): A dc stabilizer has constant output voltage irrespective of variations in input voltage and load current

    Reason (R): A dc series regulator uses a zener diode across the load to stabilize the output voltage.

    4. A.
    Both A and R are correct and R is correct explanation for A
    B.
    Both A and R are correct but R is not correct explanation for A
    C.
    A is correct R is wrong
    D.
    A is wrong R is correct

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  4. In the self biasing scheme (RF across collector to base) of BJT, S1 tends to unity by __________ RC is the collector load Resistance.

    5. A.
    increasing RF
    B.
    decreasing RF
    C.
    decreasing RF and increasing RC
    D.
    increasing RF and decreasing RC

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  5. In op-amp integrating amplifier the input is feed to

    6. A.
    inverting input
    B.
    non-inverting input
    C.
    both inverting and non-inverting input
    D.
    either inverting or non-inverting input

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  6. In a resistance loaded amplifier, the gain decreases at high frequencies because

    7. A.
    decreasing reactance of the stray CT
    B.
    increasing reactance of the stray CT
    C.
    increasing reactance of CT
    D.
    decreasing reactance of CT

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  7. A 1 ms pulse can be stretched to 1 sec pulse by using

    8. A.
    an astable multivibrator
    B.
    a monostable multivibrator
    C.
    a bistable multivibrator
    D.
    a Schmitt trigger circuit

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  8. Most of the transistor data sheets specify the power rating for an ambient temperature of

    9. A.
    10°C
    B.
    25°C
    C.
    50°C
    D.
    75°C

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  9. In figure vi is a sinusoidal wave. Which of the following best describes the output v0?

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  10. The early effect in BJT is caused by

    11. A.
    fast turn on
    B.
    fast turn off
    C.
    large collector base reverse bias
    D.
    large emitter base forward bias

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