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DMRC 2018 Electronics Engineering : Quiz 7

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Question 1

In a tunnel diode as shown, what will be the effect if voltage increases beyond point Vp?

Question 2

What is the analog output for a 4-bit R-2R ladder DAC when input is (1000)₂, for V_ref = 5 Volt.

Question 3

Capacitive Transducers are:

Question 4

Given a unity feedback system with

the value of K for damping ratio of 0.5 is

Question 5

Match List-i (Device) with List-ii (Switching Time) and select the correct answer using the code given below the Lists:

Codes:
A - B - C - D

Question 6

In Avalanche Multiplication Breakdown Common Emitter, which number shows holes generated e-p pairs in C-B depletion region?

Question 7

Which among the following statements in case of constellation diagram are correct?

Question 8

What is the modulation index of an FM signal having a carrier swing of 100kHz and modulating frequency of 8kHz?

Question 9

Which among the following is the disadvantage of digital modulation?

Question 10

Which of the following antenna is obtained by modifying a wave guide?

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Feb 15ESE & GATE EC