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Home ‣ Electronics ‣ Special-Purpose Op-Amp Circuits See What Others Are Saying!
  • Question

  • An instrumentation amplifier has a high


  • Options
  • A. output impedance
  • B. power gain
  • C. CMRR
  • D. supply voltage

  • Correct Answer
  • CMRR 

    • More questions

    • 1. Which coil would be used as a step-up transformer primary if coil number 1 has 100 more turns than coil number 2?

    • Options
    • A. The coil windings must be the same.
    • B. coil 1
    • C. The coil ratio is too small.
    • D. coil 2
      • Discuss
    • 2. What is the total inductance assuming no mutual inductance?


    • Options
    • A. 0 mH
    • B. 0.69 mH
    • C. 12 mH
    • D. 24 mH
      • Discuss
    • 3. The quality factor of a parallel circuit at resonance is VC/VS or VL/VS.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. 
      A magnetic field is produced around a current-carrying conductor.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. What is the total opposition to current in a series RC circuit called?

    • Options
    • A. impedance
    • B. inductance
    • C. reactance
    • D. resistance
      • Discuss
    • 6. 

      The reactance of C2 is _____ in the given circuit.


    • Options
    • A. 66 Ω
    • B. 80 Ω
    • C. 199 Ω
    • D. 398 Ω
      • Discuss
    • 7. 

      What would these meter readings indicate about the circuit in the given circuit?

      Meter Readings: I = 7.6 mA, V = 12 V


    • Options
    • A. R1 is open.
    • B. R2 is open.
    • C. The fuse is open.
    • D. The circuit is operating normally.
      • Discuss
    • 8. A rectangular wave that has a duty cycle of 50 percent could be called a:

    • Options
    • A. c wave
    • B. sawtooth wave
    • C. square wave
    • D. triangle wave
      • Discuss
    • 9. If the current in a circuit equals 0 A, it is likely that the

    • Options
    • A. voltage is too high
    • B. resistance is too low
    • C. circuit has a short
    • D. circuit is open
      • Discuss
    • 10. Capacitors are often used as filters.

    • Options
    • A. True
    • B. False
      • Discuss

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