GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 481 - 484 of 1076

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Question 481

Differential and Integral Forms and Their Interpretation

Appeared in Year: 2013 (UGC-NET)

Question

Match List-Ⅰ List-Ⅱ▾

Match the following lists: (June)

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

Ampere՚s Law

(i)

∇ × E¯ = ∂ B¯- ∂ t

(B)

Continuity equation

(ii)

(C)

Faraday՚s Law

(iii)

(D)

Gauss՚s Law

(iv)

Choices

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

a.

  • (iii)
  • (ii)
  • (i)
  • (iv)

b.

  • (ii)
  • (iv)
  • (i)
  • (iii)

c.

  • (ii)
  • (iii)
  • (i)
  • (iv)

d.

  • (i)
  • (ii)
  • (iii)
  • (iv)

Question 482

Sample and Hold Circuits, ADCs and DACs

Appeared in Year: 2013 (UGC-NET)

Question

Assertion-Reason▾

Assertion(Ꭺ)

R-2R ladder type D/A converter has a higher speed of conversion than a weighted resistance D/A converter. (June)

Reason(Ꭱ)

R – 2R ladder type converter uses a smaller number of components than the weighted resistance D/A converter.

Choices

Choice (4)Response

a.

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

b.

Ꭺ is false but Ꭱ is true

c.

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

d.

Ꭺ is true but Ꭱ is false

Question 483

Boolean Algebra, Minimization of Functions

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

Which logic function has the output low only when both inputs are high? (June)

Choices

Choice (4)Response

a.

OR

b.

NAND

c.

NOR

d.

AND

Question 484

Amplitude, Phase and Frequency Shift Keying (ASK, PSK, FSK)

Appeared in Year: 2013 (UGC-NET)

Question

Assertion-Reason▾

Assertion(Ꭺ)

In FSK, a binary 1 usually produces a higher carrier frequency than a binary 0. (June)

Reason(Ꭱ)

FSK maintains a constant amplitude carrier.

Choices

Choice (4)Response

a.

Both Ꭺ and Ꭱ are false

b.

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

c.

Ꭺ is false but Ꭱ is true

d.

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

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