A practical op-amp has a bandwidth of only 10 Hz. Gain is 106, and the – McqOptions

MCQOPTIONS

1.	A practical op-amp has a bandwidth of only 10 Hz. Gain is 10⁶, and the required bandwidth is 100 kHz. How much feedback is required?
A.	0.99% negative feedback
B.	0.99% positive feedback
C.	1% negative feedback
D.	1% positive feedback
Answer» B. 0.99% positive feedback

Discussion

No Comment Found

Related MCQs

What is the use of the compensation capacitor in op-amp?
Till what frequency do we get amplification from IC 741?
The unity gain bandwidth for an op-amp having open loop gain 2 10<sup>6</sup> is 10 Mhz. Calculate the AC gain of op-amp at an input of 2000 Hz.
Given that CMRR is 100dB. Input common-mode voltage is 12 V. Differential voltage gain is 4000. Calculate output common-mode voltage.
Given that for an op-amp the gain is 10<sup>3</sup>, the slew rate is 1.5V/ sec. Input is 5 10<sup>-3</sup>sin t, calculate maximum frequency to prevent distortion.
A practical op-amp has a bandwidth of only 10 Hz. Gain is 10<sup>6</sup>, and the required bandwidth is 100 kHz. How much feedback is required?
In an ideal op-amp, which is not true?
Which of these is incorrect for an operational amplifier?