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ECIL GET 2017 Recruitment: Electronics Section Quiz 11

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Question 1

Thin film technology:

Question 2

A typical high gain IC differential amplifier:

Question 3

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 4

In Fast Fourier Transform, if N is the complex numbers to real and imaginary parts of frequency X(m), then sampling frequency will be:

Question 5

Two lamps each of 230 V and 60 W rating are connected in series across a single phase 230 V supply. The total power consumed by the two lamps would be

Question 6

In a semiconductor strain gauge, the change in resistance on application of strain is mainly due to change in

Question 7

Consider the following statements with regard to a PLL.
1). The ‘capture range’ of PLL primarily depends upon the slope of transition band edge of the low-pass filter.
2). The ‘lock range’ is not affected by the slope of transition band of the low-pass filter.
Which of these statements is/are correct?

Question 8

A modulated signal is given by
The complex envelop of s (t) is
Where a, ωc and ∆ω are positive constants and ωc >> ∆ω

Question 9

In a volume where charge density is zero, value of electrostatic potential is specified at every point on its surface. If there are three solutions V1, V2 and V3 inside the volume, then what will be the value of third volume V3 on the boundary?

Question 10

Which of the following are the properties of TEM mode in a lossless medium ?
1) Its cut-off frequency is zero.
2) Its transmission line is a hollow waveguide
3) Its wave impedance is the impedance in a bounded dielectric.
4) Its phase velocity is the velocity of light in an unbounded dielectric.
Select the correct answer using the code given below:
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