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VITEEE 2019 Solved Paper
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© examsnet.com
Question : 10
Total: 125
In a common base mode of a transistor, the collector current is 5.488 mA for an emitter current of 5.60 mA. The value of the base current amplification factor (β) will be
49
50
51
48
Validate
Solution:
Given:
I
c
=
5
.
4
8
8
m
A
and
I
e
=
5
.
6
0
m
A
Thus, base current
I
b
=
I
e
−
I
c
=
5
.
6
0
−
5
.
4
8
8
=
0
.
1
1
2
m
A
Base current amplification factor
β
=
I
c
I
b
∴
β
=
5.488
0.112
=
49
© examsnet.com
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