A. High and low
B. Positive and negative
C. Inverting and non inverting
D. Differential ans non differential
Related Mcqs:
- 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 - The approximate input impedance of the opamp circuit which has Ri=10k, Rf=100k, RL=10k?
A. ∞
B. 120k
C. 110k
D. 10k - 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 - 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 - 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 - When a step-input is given to an op-amp integrator, the output will be______________?
A. A ramp
B. A sinusoidal wave
C. A rectangular wave
D. A triangular wave with dc bias - Calculate the cutoff frequency of a first-order low-pass filter for R1 = 2.5kΩ and C1 = 0.05μF___________?
A. 1.273kHz
B. 12.73kHz
C. 127.3 kHz
D. 127.3 Hz - In the above circuit the current ix is___________?
A. 0.6A
B. 0.5A
C. 0.2A
D. 1/12A - In the differential voltage gain & the common mode voltage gain of a differential amplifier are 48db & 2db respectively, then its common mode rejection ratio is________________?
A. 23dB
B. 25dB
C. 46dB
D. 50dB - For an ideal op-amp, which of the following is true?
A. The differential voltage across the input terminals is zero
B. The current into the input terminals is zero
C. The current from output terminal is zero
D. The output resistance is zero
