BARC OCES 2022 Quiz 2

The Fourier transform of t e^–|t| is

What Boolean function does the following circuit represent?

The system shown in the figure below employs derivative of feedback in addition to unity power feedback. If the system has the damping ratio of 0.8. Find the steady state error for the ramp input 5 r(t).

What will be seen on the screen of a CRO, when a sinusoidal voltage signal is applied to the vertical deflection plate of this CRO with no simultaneous signal applied to the horizontal deflection plate?

Assume all 8 bit registers of 8085 are cleared to 0’s. What will be contents of accumulator, carry flag, auxiliary carry flag after execution of CPI FFH?

Consider the following statements:

1) A current mirror can be used as active load because it has low output AC resistance.

2) The gain of practical op-amp at high frequencies is less as compared to that of at medium frequencies.

3) In self bias circuit for CE amplifier, the base voltage is equal to supply voltage.

Which of the above statements are incorrect?

For the circuit shown in fig, the switch is closed for a long time and it is opened at t = 0. Determine (t) for t ≥ 0.

One of the eigen vector of matrix     is

Consider the dc charge distribution of an ideal MOS capacitor shown in figure below.

Diagram

What is the type of semiconductor and mode of biasing?