GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 315 - 317 of 1076

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Question 315

Function Generators, Wave-Shaping Circuits and 555 Timers

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

Limiter circuit is not needed in the following detector: (July)

Choices

Choice (4)Response

a.

Radio detector

b.

Balanced slope

c.

Foster- Seeley discriminator

d.

Question does not provide sufficient data or is vague

Question 316

Appeared in Year: 2018 (UGC-NET)

Question

Match List-Ⅰ List-Ⅱ▾

Match the following: (July)

List-Ⅰ (Column-I)List-Ⅱ (Column-II)
(A)

Zener diode

(i)
Zener Diode
(B)

P-N Junction diode

(ii)
Schottky Diode
(C)

Tunnel diode

(iii)
P-N Junction Diode
(D)

Schottky Diode

(iv)
Tunnel Diode

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (ii)
  • (i)
  • (iv)
  • (iii)

b.

  • (iii)
  • (i)
  • (ii)
  • (iv)

c.

  • (iv)
  • (i)
  • (ii)
  • (iii)

d.

  • (i)
  • (iii)
  • (iv)
  • (ii)

Question 317

Oxidation, Diffusion, Ion Implantation

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

25 In a Silicon oxidation model, if is the gas phase mass transfer co-efficient, is the oxidant concentration in the bulk of the gas and is the oxidant concentration of adjacent to the oxide surface, then for steady state, the gas phase flux can be expressed as:

Of these statements. (July)

Choices

Choice (4)Response

a.

3) is correct but 1) is wrong

b.

2) is correct but 4) is wrong

c.

1) , 2) and 3) are correct but 4) is wrong

d.

1) and 3) are correct

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