Engineering Courses

Chapter 3: Digital Electronics Exam Tests

Digital Electronics MCQs - Chapter 3

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## Bipolar Junction Transistors Questions & Answers : MCQ Quiz 1

MCQ 1: Collector region of BJT is always

A) lightly doped
B) moderately doped
C) heavily doped
D) not doped

MCQ 2: Process of linearly increasing the amplitude of an electrical signal is called

A) switching
B) amplification
C) multiplexing
D) fabrication

MCQ 3: βDC=

A) αDC/1+αDC
B) 1-αDC/1+αDC
C) αDC/1-αDC
D) 1+αDC/1-αDC

MCQ 4: Switch is open when transistor is in

A) cutoff region
B) linear region
C) saturation region
D) breakdown region

MCQ 5: If collector current is 2mA and base current is 0.5mA than emitter current will be

A) 10mA
B) 2.5mA
C) 1.5mA
D) 4mA

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