List of top Electronics and Communication Engineering Questions on Op-Amp and Its Applications

In an op-amp, which of the following best describes the ‘virtual short’ concept?

Find the gain for the given op-amp circuit.

For an Op-amp, CMRR = $10^5$ and differential gain = $10^6$, what is the common mode gain of the Op-amp?
In the circuit shown in the following Figure, what is the output voltage (\( V_{out} \)) if a silicon transistor Q and an ideal op-amp are used?
output voltage (Vout) if a silicon transistor Q