GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 415 - 418 of 1076

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Question 415

Appeared in Year: 2016 (UGC-NET)

Question

Assertion-Reason▾

Assertion(Ꭺ)

GaAs shows very low reverse saturation current, excellent temperature sensitivities and high breakdown voltages.

Reason(Ꭱ)

It operates at only low frequencies as compared to Ge and Si. It has a knee voltage of 2.0 Volts.

Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

b.

Ꭺ is false but Ꭱ is true

c.

Both Ꭺ and Ꭱ are false

d.

Ꭺ is true but Ꭱ is false

Question 416

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

In an n-p-n transistor operating in saturated mode, the output voltage is (December)

Choices

Choice (4)Response

a.

Less than

b.

Greater than

c.

Between and

d.

Equal to

Question 417

Arithmetic Circuits, Code Converters, Multiplexers, Decoders and PLAs

Appeared in Year: 2016 (UGC-NET)

Question

MCQ▾

The logic function implemented by the circuit below is

Logic Function Implemented by the Circuit

Choices

Choice (4)Response

a.

Y =

b.

c.

Y = P. Q

d.

Question 418

Oxidation, Diffusion, Ion Implantation

Appeared in Year: 2018 (UGC-NET)

Question

Match List-Ⅰ List-Ⅱ▾

Match the two lists and choose the correct answer from the code given below: (December)

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

Deal and Grove model

(i)

Proximity printer

(B)

Optical lithography

(ii)

Geometrical consideration

(C)

X-ray lithography

(iii)

Silicon oxidation

(D)

MOS capacitor

(iv)

Choices

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

a.

  • (iii)
  • (ii)
  • (i)
  • (iv)

b.

  • (iii)
  • (i)
  • (ii)
  • (iv)

c.

  • (ii)
  • (iv)
  • (i)
  • (iii)

d.

  • (iii)
  • (i)
  • (iv)
  • (ii)

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