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  • Question
  • The voltage gain is ______ for the amplifier in the given circuit. ?4 ?5 ?6 ?7

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


  • Options
  • A. ?4
  • B. ?5
  • C. ?6
  • D. ?7

  • Correct Answer
  • ?6 


  • Operational Amplifiers problems


    Search Results


    • 1. A virtual ground is a(n) ______ ground because this point is at zero volts.

    • Options
    • A. ordinary
    • B. voltage
    • C. chassis
    • D. earth
    • Discuss
    • 2. 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
    • 3. 

      The input impedance is ______ for the amplifier in the given circuit. The data sheet values are Zin = 3 MΩ, Zout = 80 Ω, and Aol = 250,000.


    • Options
    • A. 4.7 kΩ
    • B. 22.7 kΩ
    • C. 3 MΩ
    • D. 68.6 kΩ
    • Discuss
    • 4. The voltage required to force the differential output to zero is called _______.

    • Options
    • A. input-offset current
    • B. input-offset voltage
    • C. input bias current
    • D. slew rate voltage
    • Discuss
    • 5. Current cannot flow to ground through a(n) ________.

    • Options
    • A. mechanical ground
    • B. ac ground
    • C. virtual ground
    • D. virtual short
    • Discuss
    • 6. 

      The given circuit is ___.


    • Options
    • A. an inverting amplifier
    • B. a noninverting amplifier
    • C. a voltage follower
    • D. a differential amplifier
    • Discuss
    • 7. 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
    • 8. 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
    • Discuss
    • 9. 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
    • 10. A ______ is not a multivibrator.

    • Options
    • A. one-shot
    • B. flip-flop
    • C. VCO
    • D. bistable
    • Discuss


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