1)
In a N P N transistor about 10^10 electrons enter the emitter in 2meu s when it
is connected to a battery. Then I =
(A) 200
(B) 400
(C) 800
(D) 1600
Answers
Answered by
0
Answer:
200
Explanation:
200
200
200
200
200 200 200
Answered by
3
Answer:
The number of electrons entering the emitter is 1010 electrons.
The time taken by the electrons is 10−6 s.
Current gain common emitter
β=IBIC
The emitter current is given as:
IE=tq
⇒10−61010×1.6×10−19
IE=1.6 mA
Now, 5% of the electrons recombine in the base region. So the base current will be:
IB=5%×1.6 mA
IB=0.08 mA
We know that the emitter current is the sum of the base current and collector current.
IE=IB+IC
So, IC=1.6−0.08 = 1.52 mA
⟹β=0.081.52
=19
Explanation:
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