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BARC Full Syllabus Test 21

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Question 1

The minimum sampling frequency (in samples/sec) required to reconstruct the following signal from its samples without any distortion

Question 2

The transfer function of the circuit shown below is

Question 3

If X and Y are inputs and the Difference (D = X – Y) and the Borrow (B) are the outputs, which one of the following diagrams implements a half-subtractor?

Question 4

The value of C required for sinusoidal oscillation of frequency 1 kHz in the circuit of fig is

Question 5

Given If ‘S’ represents the portion of sphere
x2 + y2 + z2 = 4 ,y > 0
Then

Question 6

The magnitude plot for a transfer function is

The steady state error corresponding to unit step input is ______.

Question 7

The resistivity of a uniformly doped n-type silicon sample is 0.5 Ω-cm. If the electron mobility (μn) is 1250 cm2/V-sec and the charge of an electron is 1.6 × 10–19 Coulomb, the donor impurity concentration (ND) in the sample is

Question 8

Product of Max terms representation for the Boolean function is

Question 9

A semiconductor having electron mobility, hole mobility, intrinsic carrier concentration as is kept at 300 ° K. The maximum value of resistivity is _________ Ω-m.

Question 10

From the truth table shown, select the gate circuit?(Given o/p is C) 

Question 11

In a microwave magic-T, E-plane and H- plane are

Question 12

When a large number of analog signals is to be converted to digital form, an analog multiplexer is used. The A-to-D converter most suitable in this case will be

Question 13

A Gunn diode is a negative resistance device, which is used as source of micro-waves. What is the number of p-n junctions?

Question 14

Consider the following program

MVIA, BYTE 1

RRC

RRC

If BYTE 1 = 32H, the content of A after the execution of program will be

Question 15Multiple Correct Options

The function   at x = 4 attains_____.
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Sep 16ESE & GATE EC