Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Semiconductors and Electronic Devices

Question:

Options:

a

b

c

d

Correct Answer:

d

Explanation:

$\Delta I_E = \Delta I_C + \Delta I_B = 1 mA$

$\Rightarrow \Delta I_B = 0.01 mA$

$\Rightarrow \text{Current Gain for common base configuration is }\alpha = \frac{\Delta I_C}{\Delta I_E} = 0.990$