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ESE EC Exam 2018: Practice Quiz 3

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Question 1

Which one of the following circuits is used for converting a sine wave into a square wave?

Question 2

A transistor RC coupled amplifier is designed for a voltage and band gain of 20. But a measurement at a particular frequency shows the gain to be only 14. What is the likely phase shift at this frequency ?
(consider low frequency analysis)

Question 3

Optical fibers are preferred as communication links for Lasers because they

Question 4

Which one of the following is correct
In satellite communication links, generally

Question 5

A small code of 8085 as given below, is executed
MVI A, 7FH
ORA A
CPI A2H
The contents of the accumulator and flags after execution are

Question 6

Which of the following algorithm design techniques is used in the quick sort algorithm?

Question 7

In a servo-system, the device used for providing derivative feedback is known as

Question 8

The maximum radiation for an endfire array occurs at

Question 9

Which is the diode used for measuring light intensity?

Question 10

Which one of the following statements concerning Tellegen’s theorem is correct?
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May 9ESE & GATE EC