Q. In a common base transistor circuit, the current gain is 0.98. On changing emitter current by 5.00 mA, the change in collector current is
A) 0.196 mA
B) 2.45 mA
C) 4.9 mA
D) 5.1 mA
Explanation
(c) $\mathrm{\Delta}I_{c} = \alpha\mathrm{\Delta}I_{e} = 0.98 \times 5.00 = 4.90\ mA.$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.