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  • In a transistor the current amplification factor is 0.6. transistor is connected in same emitter configuration, the change in collector current when the base current chnages by 6m A <div c

In a transistor the current amplification factor is 0.6. transistor is connected in same emitter configuration, the change in collector current when the base current chnages by 6m A 

Option: 1

6mA


Option: 2

4.8mA


Option: 3

24mA


Option: 4

9mA


Answers (1)

best_answer

Given that, 

\begin{aligned} & \alpha=0.8 \\ & I_b=6 \mathrm{~mA} \\ & \beta=\frac{\alpha}{1-\alpha}=\frac{0.6}{1-0.6}=\frac{0.6}{0.4}=\frac{3}{2}=1.5 \end{aligned}

Since, 

\begin{aligned} \beta & =\frac{I_c}{I_b} \\ \Rightarrow & I_c=\beta I_b \\ & I_c=(1.5)(6)=9 \mathrm{~mA} \end{aligned}

Posted by

Irshad Anwar

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