GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 508 - 511 of 1076

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Question 508

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

An ideal op-amp has

Choices

Choice (4)Response

a.

Infinite common mode gain and zero differential gain.

b.

Zero differential gain and infinite common mode gain.

c.

Infinite common mode gain as well as differential gain.

d.

Infinite differential gain and zero common mode gain.

Question 509

Appeared in Year: 2013 (UGC-NET)

Question

Assertion-Reason▾

Assertion(Ꭺ)

In an Op-Amp circuit when one input terminal of the Op-Amp is grounded, the other terminal becomes a virtual ground.

Reason(Ꭱ)

Input impedance of the Op-Amp is high.

Choices

Choice (4)Response

a.

Ꭺ is true but Ꭱ is false

b.

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

c.

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

d.

Ꭺ is false but Ꭱ is true

Question 510

Boolean Algebra, Minimization of Functions

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

Consider the following logic families:

1. RTL

2. DTL

3. TTL

4. ECL

The sequence of these logic families in the order of their decreasing Fan-Out is

Choices

Choice (4)Response

a.

4,3, 2,1

b.

2,1, 3,4

c.

3,4, 2,1

d.

1,2, 3,4

Question 511

Circuits for Analog Communications

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

Consider the following cables:

1. Single mode optical fibre cable

2. Multimode optical fibre cable

3. Graded-index optical fibre cable

4. Co-axial cable

The correct sequence in increasing order of data rate is

Choices

Choice (4)Response

a.

1,2, 3,4

b.

4,2, 3,1

c.

1,2, 4,3

d.

4,3, 2,1

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