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SSC JE 2017: Basic Electronics Rankers Quiz 3

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Question 1

The Lower 3-dB frequency of an n-stage amplifier with non interacting stages equals:

Question 2

CMRR (Common Mode Rejection Ratio) for a differential amplifier should be

Question 3

The PNPN diode:

Question 4

At 0K the forbidden energy gap in germanium is :

Question 5

In active region operation of a transistor:

Question 6

In the study of transistor as an amplifier, if α= iC/ie, and β = iC/ib, where ic, ie, ibare the collector, emitter and base currents, then

Question 7

It is generally desired that a transistor should have ……………. input impedance.

Question 8

To obtain P type Si semiconductor, we need to dope pure Si with

Question 9

In parallel resonance there is

Question 10

The output impedance of inverting amplifier is:
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Dec 13ESE & GATE EE