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ECIL GET 2017 Recruitment: Electronics Section Quiz 2

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Question 1

In order that maximum of energy received by the line be transferred to the load, it is essential to obtain the conditions under which losses and distortion on the line be:

Question 2

Stability of a Control Systems can be determined from one of the following responses

Question 3

Consider the following statements:
The transfer impedances and admittances of a network remain constant when the position of excitation and response are interchanged if the network
1. is linear
2. consists of bilateral elements
3. has high impedance or admittance as the case may be
4. is resonant

Question 4

The result of

(“*” denotes convolution and “

” denotes the Dirac delta function) is:

Question 5

is an even function, then what is its Fourier transform

Question 6

An air-filled rectangular waveguide has dimensions of a = 6 cm and b = 4 cm. The signal frequency is 3 GHz. Match List-i with List-ii and select the correct answer using the code given below the Lists:

List-i List-ii
A.

1. 2.5 GHz
B.

2. 3.75 GHz
C.

3. 4.506 GHz
D.

4. 4.506 GHz
Codes:
A B C D

Question 7

In a waveguide, the evanescent modes are said to occur if

Question 8

Match List-i with List-ii and select the correct answer using the code given below the lists:
List-i
A- Two-isotropes half wavelength apart fed in phase
B- Two isotropes quarter wavelength apart 90 ° phase shift
C- Two isotropes quarter wavelength apart fed in phase
List-ii

1.

2.

3.

Question 9

A sequential control system is a type of system:

Question 10

Bandwidth as described in amplitude ratio graph shown for T and set-point response is:

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ESE & GATE EC General

Feb 20ESE & GATE EC