Last Updated On [03-11-2023]
A common emitter amplifier circuit, built using an npn transistor, is shown in the figure. Its dc current gain is 250, RC = 1 k
and VCC = 10 V. What is the minimum base current for VCE to reach saturation?
(a)
10 
A
(b)
100 
A
(c)
7 
A
(d)
40 
A
A common emitter amplifier circuit, built using an npn transistor, is shown in the figure. Its dc current gain is 250, RC = 1 k and VCC = 10 V. What is the minimum base current for VCE to reach saturation?
(a)
10 A
(b)
100 A
(c)
7 A
(d)
40 A
Question ID - 51198 :-
A common emitter amplifier circuit, built using an npn transistor, is shown in the figure. Its dc current gain is 250, RC = 1 k and VCC = 10 V. What is the minimum base current for VCE to reach saturation?
(a)
10 A
(b)
100 A
(c)
7 A
(d)
40 A
|
A common emitter amplifier circuit, built using an npn transistor, is shown in the figure. Its dc current gain is 250, RC = 1 k
|
|||
|
(a) |
10 |
(b) |
100 |
|
(c) |
7 |
(d) |
40 |
For saturation, VCC − ic × Rc = 0
⇒ ic = 
= 10 − 2 A
= 
= 250
∴ IB = 
= 40 
A
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