# 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)

(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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