JEE Main & Advanced
Physics
Semiconducting Devices
Question Bank
Self Evaluation Test - Semiconductor Electronics: Materials, Devices and Simple Circuits
question_answer
For a common base amplifier, the values of resistance gain and voltage gain are 3000 and 2800 respectively. The current gain will be
A) \[1.1\]
B) \[0.98\]
C) \[0.93\]
D) \[0.83\]
Correct Answer:
C
Solution :
[c] Current gain, \[\alpha =\frac{{{A}_{V}}}{{{A}_{R}}}=\frac{2800}{3000}=0.93\]