Electronic Devices MCQs – Practice Test 10 (Chapter 2)

BJT Amplifiers MCQ with Answers PDF Download – Test 10

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BJT Amplifiers MCQ – Practice Test 10 PDF Download

MCQ: 46

In AC equivalent circuit, effect of AC base internal resistance is usually small enough to neglect, so it can be replaced by a

open
short
switch
resistor

MCQ: 47

A transistor in its amplifier operation produces a phase inversion between base voltage and

collector voltage
emitter voltage
output voltage
collector current

MCQ: 48

If emitter current is 15mA then internal emitter resistance will equals to

1.67 Ω
2 Ω
3.45 Ω
1.34 Ω

MCQ: 49

Input resistance of common base amplifier is

low
high
zero
infinite

MCQ: 50

Two-port network which is constructed from series of amplifiers in which each amplifier sends its output to the input of the next amplifier in a daisy chain is called

cascaded amplifier
common base amplifier
common emitter amplifier
common collector amplifier

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