Q.1.
The approximate input impedance of the opamp circuit which has Ri=10k, Rf=100k, RL=10k
Q.2.
For an OP-amp with negative feedback, the output is .
Q.3.
In the above circuit the current ix is
Q.4.
In differential-mode, ___________
Q.5.
Assume that the OP-amp of the fig. is ideal. If Vi is a triangular wave, then V0 will be
Q.6.
A differential amplifier has a differential gain of 20,000. CMRR=80dB. The common mode gain is given by
Q.7.
The use of negative feedback
Q.8.
The common mode voltage gain of a differential amplifier is equal to RC divided by
Q.9.
The differential gain is
Q.10.
When a number of stages are connected in parallel, the overall gain is the product of the individual stage gains
Q.11.
For an ideal OP-amp, which of the following is true?