SaraNextGen.Com

In the figure, given that VBB supply can vary from0 to 5.0 V, VCC = 5V, dc = 200, RB = 100 k , RC = l k  and VBE=1.0 V, The minimum base current and the input voltage at which the transistor will go to saturation, will be, respectively :

(a)

20

(b)

25

(c)

25

(d)

20



Question ID - 50794 | SaraNextGen Top Answer

In the figure, given that VBB supply can vary from0 to 5.0 V, VCC = 5V, dc = 200, RB = 100 k , RC = l k  and VBE=1.0 V, The minimum base current and the input voltage at which the transistor will go to saturation, will be, respectively :

(a)

20

(b)

25

(c)

25

(d)

20

1 Answer
127 votes
Answer Key / Explanation : (b) -

At saturation, VCE = 0

VCE = VCC − ICRC

IC =  = 5×10−3A

Given

 =

 =

 =25 A

At input side

 =    

 =(25mA) (100k) + 1V

VBB=3.5V

127 votes


127