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Tardigrade
Question
Physics
In an n-p-n transistor
Q. In an n-p-n transistor
1981
206
WBJEE
WBJEE 2013
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A
the emitter has higher degree of doping compared to that of the collector
B
the collector has higher degree of doping compared to that of the emitter
C
both the emitter and collector have same degree of doping
D
the base region is most heavily doped
Solution:
In an
n
−
p
−
n
or
p
−
n
−
p
transistor, the left hand side thick layer of the transistor is heavily doped known as emitter and right hand side thick layer of the transistor is moderately doped known as collector.