CUET Preparation Today
CUET
Physics
Semiconductors and Electronic Devices
The DC current gain of a transistor in common base configuration is 0.98. Its current gain in common emitter configuration will be:
99
69
49
39
$β=\frac{α}{1-α}=\frac{0.98}{1-0.98}=\frac{0.98}{0.02}=49$
