Electronics [GATE (Graduate Aptitude Test in Engineering) Physics]: Questions 30 - 34 of 70

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Question 30

Electronics

Appeared in Year: 2010

Question

MCQ▾

For any set of inputs, A and B, the following circuits give the same output, except one. Which one is it?

Choices

Choice (4)Response

a.

Logit Circuits: Choice A

b.

Logit Circuits: Choice B

c.

Logit Circuits: Choice C

d.

Logit Circuits: Choice D

Question 31

Appeared in Year: 2010

Question

MCQ▾

The voltage resolution of a 12 – bit digital to analog converter , whose output varies from is, approximately –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 32

Appeared in Year: 2010

Question

MCQ▾

In one of the following circuits, negative feedback does not operate for a negative input. Which one is it? The Op – Amp are running from supplies –

Choices

Choice (4)Response

a.

Negative Feedback Op – Amp: Choice A

b.

Negative Feedback Op – Amp: Choice B

c.

Negative Feedback Op – Amp: Choice C

d.

Negative Feedback Op – Amp: Choice D

Question 33

Appeared in Year: 2009

Question

MCQ▾

The Common Mode Rejection Ratio (CMRR) of a differential amplifier using an operation amplifier is . The output voltage for a differential input of in . The common mode gain is –

Choices

Choice (4)Response

a.

0.1

b.

10

c.

d.

Passage

The Karnaugh map of a logic circuit is shown below,

The Karnaugh Map

Question 34 (1 of 2 Based on Passage)

Appeared in Year: 2009

Question

MCQ▾

The corresponding logic implementation using gates is given as –

Choices

Choice (4)Response

a.

Logic Implementation: Choice A

b.

Logic Implementation: Choice B

c.

Logic Implementation: Choice C

d.

Logic Implementation: Choice D

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