Time Left - 20:00 mins

BARC 2018 EC: Mini Mock 3

Attempt now to get your rank among 739 students!

Question 1

After execution of last arithmetic instruction of a certain program, the content of flag register was found to be 95 H. The contents of accumulator can be

Question 2

Two $Description: E:\Gate\Gate-EC\04_Elctromgntic_BL-done_files\image172.png$ /4 Transformers together are to connet a 50 $Description: E:\Gate\Gate-EC\04_Elctromgntic_BL-done_files\image035.png$ line to a 100 $Description: E:\Gate\Gate-EC\04_Elctromgntic_BL-done_files\image035.png$ load as shown in figure.If Z_D2= 75 $Description: E:\Gate\Gate-EC\04_Elctromgntic_BL-done_files\image035.png$ and there is no reflected wave to the left AA’, then the value of Z₀₁ is

$Description: E:\Gate\Gate-EC\04_Elctromgntic_BL-done_files\image173.png$

Question 3

The signal x(t) and h(t) shown in the figures are convolved to yield y(t).

Which one of the following figures represent the output y(t).

Question 4

In an inverting OP–AMP, the input bias current is -1μA, and the input and the feedback resistances are both 1MΩ. What will be the output voltage for an input voltage of 2.5V?

Question 5

A Direct Form Implementation of an LTI system with is shown in figure

The value of a_o,a₁ & a₂ are respectively

Question 6

A Si diode has a reverse saturation current of 10 nA at 25^oC. If it operates at temperature of 75^oC then the value of reverse saturation current is

Question 7

Two series resonant filter are as shown in the figure. Let the 3-dB bandwidth of Filter 1 be B₁ and that of 2 be B₂. The value of

Question 8

A high Gain and Directivity Op-Amp has R_f = 10⁵ ohms and R, = 10³ ohms. The correct statement is:

Question 9

A series RLC circuit resonates at 3 MHz and has 3-dB bandwidth of 10 kHz. The Q of the circuit at resonance

Question 10

The Bode plot of a transfer function G(s) is shown in the figure below.

The gain (20 log|G(s)| ) is 32 dB and –8 dB at 1 rad/s and 10 rads/s respectively. The phase is negative for all ω. Then G(s) is

739 attempts
9 upvotes
8 comments

Tags :

ESE & GATE EC General

Feb 7ESE & GATE EC