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GATE EC 2022: Analog Circuits Quiz 1

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Question 1

In a forward biased region of a pn junction diode:

Question 2

A p-n junction diode has a reverse saturation current rating of 50 nA at 32°C. Assuming at 32°C is 26 mV. The dynamic AC resistance of the diode at 32°C and forward voltage drop of 0.5 V

Question 3

Assuming diode are ideal in figure the current in diode D1 is

Question 4

Determine the region of operation of silicon transistor shown in circuit below:

[Assume: β = 150, VBE (sat) = 0.8 V, VBE (active) = 0.7 V, VCE (sat) = 0 V, VD for diodes D1 & D2 is 0.7 V]

Question 5

For the given transistor comment in which region the transistor is operating?

Question 6

In the circuit shown in figure below:

The minimum value of β such that transistor is in saturation is

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V V Satya Narayana MadasuV V Satya Narayana MadasuMember since Sep 2020
Gate Qualified in 2018,2019,2020,2021| ISRO Exam qualified| AIR -672|Completed M.Tech in VLSI Design
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