NTA-NET (Based on NTA-UGC) Electronic Science (Paper-II): Questions 42 - 45 of 132

Access detailed explanations (illustrated with images and videos) to 132 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 150.00 or

How to register?

Question number: 42

» Solid State Device and Fabrication » Characteristics and Equivalent Circuits of BJT » For SET

Edit

Appeared in Year: 2018

MCQ▾

Question

In a circuit shown below, the base current is: (July)

Image of The base current IB

Image of the Base Current IB

Image of The base current IB

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 43

» Electric Communications » Basic Concepts of Signal Processing and Digital Filters

Edit

Appeared in Year: 2018

MCQ▾

Question

The following statements are correct for DSB-SC signal:

1) It is a low pass filter.

2) It needs minimum transmitted power.

3) It is a result of product modulator.

4) Bandwidth of DSB-SC is twice the maximum frequency. (July)

Choices

Choice (4) Response

a.

1), 2) and 3) are correct

b.

2) and 4) are correct

c.

1), 2) and4) are correct

d.

3) and 4) are correct

Question number: 44

» Microwave Communications » Rectangular Waveguide

Edit
MCQ▾

Question

The guided wavelength of rectangular resonator is given by ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 45

» Control System » Open - Loop and Close-Loop Control System

Edit

Appeared in Year: 2018

MCQ▾

Question

The block diagram of a feedback compensated system is given below:

Image of Feedback compensated system

Image of Feedback Compensated System

Image of Feedback compensated system

Which of the following statements are correct? (July)

1) When , the feedback compensation is in-effective and the system is uncompensated

2) When , the feedback compensation is most effective and system is compensated.

3) The performance of compensated system depends on and T

4) The performance of the compensated system does not depend on T

Choices

Choice (4) Response

a.

1) and 3)

b.

2) and 3)

c.

2) and 4)

d.

1) and 4)

Developed by: