
BJT Small Signal Model Quiz
Authored by SHINY PERSHIYA A
Engineering
University

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the BJT small signal model, the resistance between base and emitter is represented as:
ror_oro
rπr_π
rer_ere
βββ
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which parameter represents the current gain in the small signal hybrid-π model of a BJT?
ror_oro
gmg_mgm
βββ
rπr_π
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The transconductance gmg_mgm in a BJT is given by:
VTIC
ICVT
βIB
1rπ
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the small signal model, what is the typical role of ror_oro?
Output conductance
Input resistance
Emitter resistance
Output resistance
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The small signal equivalent circuit is valid for:
All frequencies
DC analysis
Large signal analysis
Small variations around the Q-point
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