📣 Paper 3 has been removed from NET from 2018 (Notification)- now paper 2 and 3 syllabus is included in paper 2. Practice both paper 2 and 3 from past papers.

NTA NET Electronic Science December 2014 Questions and Answers Part 1

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Section 2

Q-1 The threshold voltage of an n-channel MOSFET can be increased by

(1) Increasing the channel dopant concentration

(2) Reducing the channel dopant concentration

(3) Reducing the gate oxide thickness

(4) Reducing the channel length

Answer: 1

Q-2 The Thevenin՚s equivalent across AB is

Thevenin՚s Equivalent Across AB

(1)

Thevenin՚s Equivalent Across AB

(2)

Thevenin՚s Equivalent Across AB

(3)

Thevenin՚s Equivalent Across AB

(4)

Thevenin՚s Equivalent Across AB

Answer: 2

Q-3. The input to a differentiator is – 5 V. Its output will be

(1) Square wave

(2) 0 V

(3) + 5 V

(4) Sine wave

Answer: 2

Q-4. In successive approximation converter input to the comparator is through

(1) DAC

(2) Latch

(3) Flip-flop

(4) Sample and hold circuit

Answer: 1

Q-5. The assembler directive used to give name to some value or symbol for 8086 ASM-86 is

(1) DD

(2) NAME

(3) EQU

(4) PROC

Answer: 3

Q-6. Which of the following is not an infinite loop?

(1) int i = 1.

while (1)

{

i ++

}

(2) for (; ;) .

(3) int t = 0, f.

while (t)

{

f = 1.

}

(4) int y, x = 0.

do

{

y = x.

}

An Infinite Loop

Answer: 3

Q-7. In a two cavity Klystron the secondary cavity is called

(1) Buncher

(2) Velocity modulation

(3) Coupled cavity

(4) Catcher

Answer: 4