Electronic Devices MCQs - Chapter 2

BJT Amplifiers Multiple Choice Questions (MCQ) PDF - 10

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BJT Amplifiers Questions & Answers PDF Download: MCQ Quiz 10

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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