Question
Question: In a common emitter transistor, the current gain is 80. What is the change in collector current, whe...
In a common emitter transistor, the current gain is 80. What is the change in collector current, when the change in base current is 250 μA
A
80 × 250 μA
B
(250 – 80) μA
C
(250 + 80) μA
D
250/80 μA
Answer
80 × 250 μA
Explanation
Solution
Current gain
β=ΔibΔic⇒Δic=β×Δib= 80 × 250 μA.