NTA-NET (Based on NTA-UGC) Electronic Science (Paper-II): Questions 38 - 41 of 132

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Question number: 38

» Digital Electronics » Flip - Flops

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Appeared in Year: 2018

MCQ▾

Question

In a J-K flip-flop we have J = Q and K = 1 (shown in figure). Assuming the flip-flop was initially cleared and clocked for 6 pulses, the sequence at the Q output will be: (July)

Image of J-K flip-flop

Image of J-K Flip-Flop

Image of J-K flip-flop

Choices

Choice (4) Response

a.

011001

b.

c.

d.

010010

Question number: 39

» Networks and Theorems » Zero and Poles

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Appeared in Year: 2018

MCQ▾

Question

Consider the following statements regarding poles and zeroes of network function.

1) The total number of poles is equal to the total number of zeroes in rational network function.

2) The poles and zeroes of a network function determine the magnitude of the response.

3) The poles of a network function determine the waveform of the time variation of the response.

Which of the above statements are correct? (July)

Choices

Choice (4) Response

a.

1) and 2) only

b.

2) and 3) only

c.

1) and 3) only

d.

1), 2) and 3)

Question number: 40

» Solid State Device and Fabrication » Electronic Transport in Semiconductor

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Appeared in Year: 2018

MCQ▾

Question

In an intrinsic semiconductor, the intrinsic carrier density is: (July)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 41

» Optical Communication » PIN Photodiode

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Appeared in Year: 2018

MCQ▾

Question

A good silicon APD has a capacitance of , with negligible dark current and is operating with a post detection bandwidth of MHz. The photocurrent before gin is given by Amp. The operating temperature is the value of Load resistor to be connected with APD is given by: (July)

Choices

Choice (4) Response

a.

b.

c.

d.

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