Question

in a transistor 50 microampere base current is required to change the collector current by 1 micro ampere calculate current gain

Answer 1

Answer:I  

b

​  

=50μA=50×10  

−6

A

I  

c

​  

=1 mA=10  

−3

A

V=2 V

For transistors, current gain is given by

β=  

I  

b

​  

 

I  

c

​  

 

​  

 

β=  

50×10  

−6

 

10  

−3

 

​  

 

β=0.02×10  

3

=20

Explanation: