GATE (Graduate Aptitude Test in Engineering) Electronics: Questions 637 - 640 of 1076

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Question 637

Appeared in Year: 2014 (UGC-NET)

Question

MCQ▾

For the circuit shown in figure, the terminal voltage is given by: (June)

Terminal Voltage

Choices

Choice (4)Response

a.

5 V

b.

3 V

c.

6 V

d.

2.5 V

Question 638

Entropy, Mutual Information and Channel Capacity Theorem

Appeared in Year: 2014 (UGC-NET)

Question

MCQ▾

Arrange the following communication systems in increasing order of their available commercial bandwidth: (June)

1. Satellite Communication System

2. Amplitude Modulated System

3. Frequency Modulated System

4. Two-line transmission system

Correct sequence is

Choices

Choice (4)Response

a.

4,3, 2,1

b.

1,3, 2,4

c.

4,2, 3,1

d.

1,2, 3,4

Question 639

Amplitude Modulation and Demodulation

Appeared in Year: 2014 (UGC-NET)

Question

MCQ▾

What bandwidth is needed for an FM signal that has a peak deviation of ± 3 KHz and handles audio signals from 200 Hz to 5 KHz? (June)

Choices

Choice (4)Response

a.

6 KHz

b.

16 KHz

c.

10 KHz

d.

9.6 KHz

Question 640

Amplitude Modulation and Demodulation

Appeared in Year: 2013 (UGC-NET)

Question

Assertion-Reason▾

Assertion(Ꭺ)

TDM and FDM accomplish the same end by different means. (September)

Reason(Ꭱ)

FDM involves simpler instrumentation as compared to TDM.

Choices

Choice (4)Response

a.

Ꭺ is true but Ꭱ is false

b.

Both Ꭺ and Ꭱ are false

c.

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

d.

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

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