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Bipolar Junction Transistors (BJT) - Technical MCQs

Q1:

The input/output relationship of the common-collector and common-base amplifiers is:

A 270 degrees

B 180 degrees

C 90 degrees

D 0 degrees

ANS:D - 0 degrees

Transistor Configuration Summary Table: Transistor Configuration - Common Base - Common Collector - Common Emitter Voltage gain ----> High - Low - Medium Current gain ----> Low - High - Medium Power gain ----> Low - Medium - High Input/output phase relationship ----> 0° - 0° - 180° Input resistance ----> Low - High - Medium Output resistance ----> High - Low - Medium