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Physics
The definition of current gain is given by
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Q. The definition of current gain is given by
Semiconductor Electronics: Materials Devices and Simple Circuits
A
The ratio of change in collector current to the change in emitter current for a constant value of collector voltage in a common base arrangement
86%
B
The ratio of change in collector current to the change in base current for a constant collector voltage in a common collector arrangement
14%
C
The ratio of change in collector current to the change in base current for constant collector voltage in a common emitter arrangement
0%
D
The ratio of change in emitter current to the change in collector current for a constant emitter voltage in a common emitter arrangement
0%
Solution:
Definition of $\alpha$