The typical value of α, (the current gain parameter) in the transistor which is the ratio of collector current to emitter current is in the range of _____ .

The typical value of α, (the current gain parameter) in the transisto

1.	The typical value of α, (the current gain parameter) in the transistor which is the ratio of collector current to emitter current is in the range of _____ .
A.	0.95 to 0.99
B.	20 to 500
C.	0.59 to 1
D.	20 to 100
Answer» B. 20 to 500