ISRO Scientist or Engineer Electronics 2016

Instructions

For the following questions answer them individually

Question 21

In a p-n diode, with the increase reverse bias, the reverse current

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Question 22

The Nyquist filter has impulse response given by

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Question 23

Shown signal space diagram is for

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Question 24

Negative feedback in amplifiers

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Question 25

Output response of a diode clipper circuit shown in figure will be

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Question 26

For an n-channel MOSFET,if condention parameter $$(k_n)$$ is 0.249 $$mA/V^2$$, gate to source voltage $$V_{QS}$$, is $$2V_{TN}$$, where $$V_{TN} = 0.75V.$$ The current will be

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Question 27

If $$\alpha = 0.98, I_{co} = 6 \mu A, \& I_R = 100 \mu A$$ for a transistor, then the value of $$I_C$$ will be

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Question 28

A unit step voltage $$2u(t - \theta)$$ is applied in a series RC circuit with $$R = 2Ω, C = 1F$$. Assuming zero initial conditions, find i(t)

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Question 29

The autocorrelation of a wide-sense stationary random process is given by $$e^{-2 |r|}.$$ The peak value of the spectral density is

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Question 30

Which of the following gives piezo electric effect?

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ISRO Scientist or Engineer Electronics 2016

In a p-n diode, with the increase reverse bias, the reverse current

The Nyquist filter has impulse response given by

Shown signal space diagram is for

Negative feedback in amplifiers

Output response of a diode clipper circuit shown in figure will be

For an n-channel MOSFET,if condention parameter $$(k_n)$$ is 0.249 $$mA/V^2$$, gate to source voltage $$V_{QS}$$, is $$2V_{TN}$$, where $$V_{TN} = 0.75V.$$ The current will be

If $$\alpha = 0.98, I_{co} = 6 \mu A, \& I_R = 100 \mu A$$ for a transistor, then the value of $$I_C$$ will be

A unit step voltage $$2u(t - \theta)$$ is applied in a series RC circuit with $$R = 2Ω, C = 1F$$. Assuming zero initial conditions, find i(t)

The autocorrelation of a wide-sense stationary random process is given by $$e^{-2 |r|}.$$ The peak value of the spectral density is

Which of the following gives piezo electric effect?

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