Analog Circuits [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 146 - 149 of 249

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Question 146

Analog Circuits
Function Generators, Wave-Shaping Circuits and 555 Timers

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

Limiter circuit is not needed in the following detector: (July)

Choices

Choice (4)Response

a.

Radio detector

b.

Balanced slope

c.

Foster- Seeley discriminator

d.

Question does not provide sufficient data or is vague

Question 147

Analog Circuits
Multi-Stage, Differential, Feedback, Power and Operational

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

The unity follower circuit is (July)

Choices

Choice (4)Response

a.

Unity Follower Circuit Choice-A

b.

Unity Follower Circuit Choice-B

c.

Unity Follower Circuit Choice-C

d.

Unity Follower Circuit Choice-D

Question 148

Analog Circuits
Function Generators, Wave-Shaping Circuits and 555 Timers

Appeared in Year: 2018 (UGC-NET)

Question

Assertion-Reason▾

Assertion(Ꭺ)

Vestigial side band gives rise to frequency very close to the carrier frequency. (July)

Reason(Ꭱ)

It is not possible to go to extreme and suppress one complete side band by physically realizable filter.

Choices

Choice (4)Response

a.

Ꭺ is true but Ꭱ is false

b.

Ꭺ is false but Ꭱ is true

c.

Both Ꭺ and Ꭱ are false

d.

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

Question 149

Analog Circuits
Biasing, Bias Stability

Appeared in Year: 2018 (UGC-NET)

Question

MCQ▾

Arrange the following amplifier in the increasing order of their Current Gain

1) Common-emitter amplifier

2) Common-base amplifier

3) Darlington amplifier in common-emitter configuration

4) Common-collector amplifier

(July)

Choices

Choice (4)Response

a.

1) , 2) , 3) , 4)

b.

3) , 4) , 1) , 2)

c.

2) , 1) , 4) , 3)

d.

4) , 3) , 2) , 1)

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