Calculate the cutoff frequency of a first-order low-pass filter for R1 = 2.5kΩ and C1 = 0.05μF___________?

Related Mcqs:

1. An opamp has a slew rate of 5V/ S. the largest sine wave o/p voltage possible at a frequency of 1MHz is____________?

   A. 10 V
   B. 5 V
   C. 5V
   D. 5/2 V

2. An OPAMP has a slew rate of 5 V/μ S .The largest sine wave O/P voltage possible at a frequency of 1 MHZ is_______________?

   A. 10 volts
   B. 5 volts
   C. 5/ volts
   D. 5/2 volts

3. The ideal OP-AMP has the following characteristics

   A. Ri=∞ ,A=∞ ,R0=0
   B. Ri=0 ,A=∞ ,R0=0
   C. Ri=∞ ,A=∞ ,R0=∞
   D. Ri=0 ,A=∞ ,R0=∞

4. An ideal OP-AMP is an ideal__________?

   A. Current controlled Current source
   B. Current controlled Voltage source
   C. Voltage controlled Voltage source
   D. Voltage controlled Current source

5. An amplifier using an opamp with slew rate SR=1v/sec has a gain of 40db.If this amplifier has to faithfully amplify sinusoidal signals from dc to 20KHz without introducing any slew-rate induced distortion, then the input signal level exceed_____________?

   A. 795mV
   B. 395mV
   C. 795mV
   D. 39.5mV

6. The two input terminals of an opamp are labeled as______________?

   A. High and low
   B. Positive and negative
   C. Inverting and non inverting
   D. Differential ans non differential

7. The output voltage Vo of the above circuit is____________?

   A. -6V
   B. -5V
   C. -1.2V
   D. -0.2V

8. A differential amplifier has a differential gain of 20,000. CMMR=80dB. The common mode gain is given by_______________?

   A. 2
   B. 1
   C. 1/2
   D. 0

9. Which of the following amplifier is used in a digital to analog converter?

   A. Non inverter
   B. Voltage follower
   C. Summer
   D. Difference amplifier

10. A 741-Type OP-AMP has a gain-bandwith product of 1MHz. A non-inverting amplifier using this opamp & having a voltage gain of 20db will exhibit -3db bandwidth of______________?

    A. 50KHz
    B. 100KHz
    C. 1000/17KHz
    D. 1000/7.07KHz