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GATE 2022 Toppers Quiz 16

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Question 1

A tunnel diode is a P-N junction in which

Question 2

For the circuit shown

= 0.7 V and β is very high. Then the value of Vo is

Question 3

For the signal shown below the maximum value of the output signal will be _____, if it is applied to the matched filter.

Question 4

The second moment of a Poisson-distributed random variable is 2. The mean of the random variable is _________.

Question 5

The current in the RL-circuit shown below is i(t) =

The value of the inductor (rounded off to two decimal places) is ……. H.

Question 6

Given an uniform electric field $Description: E:\Gate\Gate-EC\04_Elctromgntic_BL-done_files\image121.png$ in a medium with $Description: E:\Gate\Gate-EC\04_Elctromgntic_BL-done_files\image122.png$ for $Description: E:\Gate\Gate-EC\04_Elctromgntic_BL-done_files\image123.png$ ,is incident onto a medium with $Description: E:\Gate\Gate-EC\04_Elctromgntic_BL-done_files\image124.png$ =4 for Z<0.
The electric field $Description: E:\Gate\Gate-EC\04_Elctromgntic_BL-done_files\image125.png$ for Z<0 is given by

Question 7

If the Hall constant (R_H) of a p–type semiconductor sample is 6.4 × 10³ cm³ /C, then the thermal equilibrium concentration of holes in that sample is _______ × 10¹⁴ cm^–3. (Assume charge of electron = 1.6 × 10^–19 C)

Question 8

Consider the circuit shown in the figure. Input voltage varies from 20 V to 30 V and the load current varies from 0 to 100 mA.

Find R_s(min) such that Zener is always ON and at least a knee current of 10 mA flows through diode and Calculate the power rating of the zener.

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ESE & GATE EC General

Dec 28ESE & GATE EC