ESE EE : Analog Electronics Champion Quiz 4

Virtual ground property of operational amplifier indicates that

A comparator circuit is used to

What is the output voltage V₀ of the given circuit?

For the operational amplifier circuit shown in the figure below, what is the maximum possible value of R₁, if the voltage gain required is between – 10 and – 25? (The upper limit on R_F is 1 MΩ)

In the given circuit, the magnitude of the output voltage.

|V₀| = 3 V₁ + 2 V₂ + 7 V₃, then the values of R₁, R₂, R₃ and R₄ are:

Assertion (A): It is not possible to design a current source using operational amplifier.
Reason (R): Operational amplifier is a voltage-controlled voltage source.

An operational amplifier is connected in voltage follower configuration. Input given to this is 3 sin 10³ πt. Compute the slew rate of operational amplifier.

The gain and distortion of an amplifier are respectively 150 and 5%. When used with a 10% negative feedback the % distortion would be

A signal may have frequency components which lie in the range of 0.002 Hz to 10 Hz. Which one of the following types of couplings should be chosen in a multistage amplifier designed to amplify the signal?

For the given sinusoidal input to the circuit as shown in the figure below, the voltage waveform at point P of the clamper circuit is