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BARC Full Syllabus Test 11

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Question 1

An A.C amplifier has a voltage gain of 55 and a power gain of 456.5. The A.C output current is 24.9 mA and the A.C input resistance is 200 Ω . The A.C output resistance is?

Question 2

Particular integral of (D³ – 3D² + 3D – 1)y = e^x + 2, where

Question 3

If in Fig.,

is adjusted to

while

and

what will be

Question 4

A 0.5 mm air gap has a cross-sectional area of 7 cm². In order to generate a total flux of 50 µWb in the air gap, the MMF required is ____

Question 5

The eigen values of a square matrix of 3^rd order A is 1, 2, 3. Then the eigen values A³ + 2A² + 3I will be

Question 6

Fig. shows transistor tuned amplifier. The parallel resonant circuit has a capacitor of 250 pF in one branch and inductor of 1.25 $Description: E:\Gate\SSC-JE Electrical - Part 1\41_Transistor-Tuned-Amplifiers-final_files\image024.png$ H in the other branch. The inductor has a resistance of 10 $Description: E:\Gate\SSC-JE Electrical - Part 1\41_Transistor-Tuned-Amplifiers-final_files\image022.png$ .
$Description: E:\Gate\SSC-JE Electrical - Part 1\41_Transistor-Tuned-Amplifiers-final_files\image025.png$
The dynamic impendence of the parallel resonant circuit at resonant frequency is

Question 7

Which one of the following is the Poisson's equation for a linear and isotropic but inhomogeneous medium?

Question 8

A binary channel with capacity of 36 kbits/sec is available for PCM voice transmission. If signal is band limited to 3.2 kHz, then the appropriate values of quantizing level L and the sampling frequency respectively are

Question 9

Figure shows the Hartley oscillator. If M is the mutual inductance between L₁ and L₂, the total inductance of the tank circuit is

Question 10

For an AM signal, the bandwidth is 10 KHz and the highest frequency component present is 705 KHz. What is the carrier frequency used for this AM signal?

Question 11

An F.M. signal which is modulated by a 4 kHz sine wave reaches a maximum frequency of 100.01 MHz and minimum frequency of 99.97 Mhz, then what is the one side frequency deviation of the signal?

Question 12

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:

Question 13

Zero flag is set in case when result of:

Question 14

What are the value of k for which the system of equations
(3k – 8)x + 3y + 3z = 0
3x + (3k – 8) y + 3z = 0
3x + 3y + (3k – 8) z = 0
Has a not-trivial solution?

Question 15

Identify the logic family of given circuit and its output

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ESE & GATE EC General

Jun 15ESE & GATE EC