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# GATE 2023 Analog Circuits Quiz 6

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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

In voltage regulator circuit maximum load current can be drawn.(Izmin is non -zero) Question 4

For the given transistor comment in which region the transistor is operating? Question 5

In the circuit shown in figure below: The minimum value of β such that transistor is in saturation is

Question 6

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]

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