Q. A transistor has a base current of 1 mA and emitter current 90 mA. The collector current will be

A) 90 mA
B) 1 mA
C) 89 mA
D) 91 mA
Explanation

(c) $I_{c} = I_{e} - I_{b} = 90 - 1 = 89\ mA$.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.