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1663.
The approximate value of input impedance of a common emitter amplifier with emitter resistance R
e
is given by
a. h
ie
+ A
1
R
e
b. h
ie
+ (1 + h
fe
)R
e
c. h
ie
d. (1 + h
fe
)R
e
asked in
Electronics Paper-2, 1997
View Comments [0 Reply]
1664.
If α = 0.995, I
E
=10mA and I
∞
=0.5μA, then I
ceo
will be
a. 25 μA
b. 100 μA
c. 10.1 μA
d. 10.5 μA
asked in
Electronics Paper-2, 1997
View Comments [0 Reply]
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