logo

CuriousTab

CuriousTab

Discussion

Home ‣ Electronics ‣ Operational Amplifiers Comments
  • Question

  • The 555 timer can be connected to operate a(n) ___________.


  • Options
  • A. astable multivibrator
  • B. bistable multivibrator
  • C. monostable multivibrator
  • D. astable multivibrator and a monostable multivibrator

  • Correct Answer
  • astable multivibrator and a monostable multivibrator 

    • Operational Amplifiers problems

    Search Results

    • 1. The resistors Rf and Ri in an op-amp circuit control ______ .

    • Options
    • A. positive feedback and current gain
    • B. negative feedback and power gain
    • C. negative feedback and voltage gain
    • D. open and closed loop gain
      • Discuss
    • 2. 

      The given circuit is ___.


    • Options
    • A. an inverting amplifier
    • B. a noninverting amplifier
    • C. a voltage follower
    • D. a differential amplifier
      • Discuss
    • 3. 

      The voltage gain is ______ for the amplifier in the given circuit.


    • Options
    • A. ?4
    • B. ?5
    • C. ?6
    • D. ?7
      • Discuss
    • 4. A virtual ground is a(n) ______ ground because this point is at zero volts.

    • Options
    • A. ordinary
    • B. voltage
    • C. chassis
    • D. earth
      • Discuss
    • 5. An op-amp circuit in which the output voltage is equal to the difference between the two input voltages is called a(n) _____

    • Options
    • A. integrator
    • B. differentiator
    • C. differential amplifier
    • D. voltage regulator
      • Discuss
    • 6. An oscillator whose frequency can be controlled by an input "control voltage" is called a(n) ______ .

    • Options
    • A. PLL
    • B. Schmitt trigger
    • C. VCO
    • D. S-R latch
      • Discuss
    • 7. A ______ is not a multivibrator.

    • Options
    • A. one-shot
    • B. flip-flop
    • C. VCO
    • D. bistable
      • Discuss
    • 8. If the input to a comparator is a sine wave, the output is a(n) _________.

    • Options
    • A. ramp voltage
    • B. sine wave
    • C. sawtooth wave
    • D. rectangular wave
      • Discuss
    • 9. A circuit that has an output equal to the algebraic sum of the inputs is called a(n) ______ .

    • Options
    • A. integrator amplifier
    • B. summing amplifier
    • C. differential amplifier
    • D. voltage multiplier
      • Discuss
    • 10. 

      The feedback resistor has a value of ______ in the given circuit


    • Options
    • A. 2 kΩ
    • B. 10.5 kΩ
    • C. 21 kΩ
    • D. 40 kΩ
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.