# Analog Circuits [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 201 - 203 of 249

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## Question 201

Analog Circuits
Simple Op-Amp Circuits

Appeared in Year: 2014 (UGC-NET)

### Question

Assertion-Reason▾

### Assertion(Ꭺ)

The series pass transistor in a regulator is in class A mode. (December)

### Reason(Ꭱ)

Class A is a switching mode and yields high efficiency.

### Choices

Choice (4)Response

a.

Ꭺ is false but Ꭱ is true

b.

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

c.

Ꭺ is true but Ꭱ is false

d.

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

## Question 202

Analog Circuits
Clipping, Clamping and Rectifiers

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)

n-parameters

(i)

series diode clipper

(B)

Integrator

(ii)

O/P voltage varies as the slope of i/p voltage

(C)

Differentiator

(iii)

Noise division

(D)

Half-wave rectifier

(iv)

Function of a Q point

### Choices

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

a.

• (i)
• (iii)
• (iv)
• (ii)

b.

• (iv)
• (iii)
• (ii)
• (i)

c.

• (ii)
• (iii)
• (i)
• (iv)

d.

• (iv)
• (ii)
• (iii)
• (i)

## Question 203

Analog Circuits
Ripple Removal and Regulation

Appeared in Year: 2014 (UGC-NET)

### Question

Assertion-Reason▾

### Assertion(Ꭺ)

In applications such as FM and FSK, VCO plays an important role. (December)

### Reason(Ꭱ)

The frequency control is easily possible by varying d. c. voltage.

### Choices

Choice (4)Response

a.

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

b.

Ꭺ is true but Ꭱ is false

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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