Menu
Home / ECE / Analog Electronics :: Section 15

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. Assertion (A): Manufacturer's quote h parameters of transistor

    Reason (R): h parameters of a transistor are easiest to measure

    2. 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

    View Answer

    Workspace

    Discuss Discuss in Forum

  2. The P-type substrate in a conventional pn Junction isolated integrated circuits should be connected to

    3. A.
    any where
    B.
    a dc ground potential
    C.
    the most positive potential available in the circuit
    D.
    the most negative potential available in the circuit

    View Answer

    Workspace

    Discuss Discuss in Forum

  3. Wien bridge uses

    4. A.
    lead network
    B.
    lag network
    C.
    lead-lag network
    D.
    Both (a) and (b)

    View Answer

    Workspace

    Discuss Discuss in Forum

  4. Which of the following is not necessarily the advantages of a push pull amplifier?

    5. A.
    It gives more output
    B.
    It removes odd a well as even harmonics
    C.
    There is no effect of ripple of the power supply
    D.
    It consumes least power

    View Answer

    Workspace

    Discuss Discuss in Forum

  5. Which of the following best represents the output impedance of an actual op-amp?

    6. A.
    10 ohm
    B.
    100 ohm
    C.
    10 k ohm
    D.
    100 k ohm

    View Answer

    Workspace

    Discuss Discuss in Forum

  6. In CE amplifier

    7. A.
    input and output are in phase
    B.
    phase difference between input and output is 30° to 90°
    C.
    phase difference between input and output is 60° to 120°
    D.
    output is inverted with respect to its input voltage

    View Answer

    Workspace

    Discuss Discuss in Forum

  7. The approximate value of input impedance of a common emitter amplifier with emitter resistance Re is given by

    8. A.
    hie + AI Re
    B.
    hie + (i + hfe) Re
    C.
    hie
    D.
    (1 + hfe) Re

    View Answer

    Workspace

    Discuss Discuss in Forum

  8. The collector voltage VC of the circuit shown in the given figure aside is approximately

    9. A.
    2 V
    B.
    4.6 V
    C.
    8 V
    D.
    8.6 V

    View Answer

    Workspace

    Discuss Discuss in Forum

  9. The symbol shown in figure represents a

    10. A.
    P-channel MOSFET
    B.
    UJT with N-type base
    C.
    N-channel DEMOSFET with internal zener protection
    D.
    P-channel DEMOSFET with internal zener protection

    View Answer

    Workspace

    Discuss Discuss in Forum

  10. The phase angle of a lag circuit is

    11. A.
    between 0 and -90°
    B.
    between 0 and +90°
    C.
    90°
    D.
    more than 90°

    View Answer

    Workspace

    Discuss Discuss in Forum

Java Programming Questions and Answers Interview Questions and Answers