ISRO Scientist or Engineer Electrical 2013

Instructions

For the following questions answer them individually

Question 61

The early effect in a bipolar junction transistor is caused by

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Question 62

Fermi level for an n-type semiconductor lies

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Question 63

For a forward biased pn-junction diode diffusion capacitance varies

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Question 64

In a multi-stage R-C coupled amplifier, the coupling capacitor

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Question 65

An operation amplifier should preferably have

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Question 66

The output voltage of an operational amplifieris ?

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Question 67

A class-A transformer coupled, transistor power amplifier is required to deliver a power output of 10 Watts. The maximum power rating of the transistor should be less than

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Question 68

Which of the following Boolean algebra rules is correct?

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Question 69

In an all NOR gate realization of a combinational circuit all EVEN and ODD level gates behave like

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Question 70

Use of a reverse conducting thyristor in place of antiparallel combination of thyristor and feedback diode in an inverter:

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