GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 746 - 748 of 1076

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Question 746

Appeared in Year: 2014 (UGC-NET)

Question

MCQ▾

The C. E. configuration is normally preferred because it provides: (December)

i. Voltage gain

ii. Current gain

iii. Power gain

iv. Stability

Which is correct?

Choices

Choice (4)Response

a.

i, ii, iii

b.

ii, iii

c.

i, ii

d.

ii, iii, iv

Question 747

Appeared in Year: 2014 (UGC-NET)

Question

Assertion-Reason▾

Assertion(Ꭺ)

Interfacing is a technique to make operation of peripheral or I/O device compatible with that of a micro-processor. (December)

Reason(Ꭱ)

Some peripherals and I/O devices are not TTL compatible.

Choices

Choice (4)Response

a.

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

b.

Both Ꭺ and Ꭱ are false

c.

Ꭺ is false but Ꭱ is true

d.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

Question 748

Amplitude Modulation and Demodulation

Appeared in Year: 2014 (UGC-NET)

Question

Match List-Ⅰ List-Ⅱ▾

Match the following lists: (December)

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

Power efficient transmission

(i)

SSB-SC

(B)

Most bandwidth efficient transmission of voice signal

(ii)

VSB

(C)

Bandwidth efficient transmission of signals with significant d. c. component

(iii)

FM

(D)

Simplest receiver

(iv)

AM

Choices

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

a.

  • (i)
  • (ii)
  • (iii)
  • (iv)

b.

  • (iii)
  • (i)
  • (ii)
  • (iv)

c.

  • (ii)
  • (iii)
  • (iv)
  • (i)

d.

  • (iv)
  • (ii)
  • (iii)
  • (i)

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