The amplification factor for a transistor is given by_________

The amplification factor for a transistor is given by_________ Correct Answer A=αRL/re

One of the most important application of a transistor is an amplifier. A small change in signal voltage produces an appreciable change in emitter current because the input circuit has low resistance (α=∆IC/IE).
Bissoy MCQ

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সাধারণ পীঠ বিন্যাসে একটি ট্রানজিস্টরের সংগ্রাহক প্রবাহ 19.8 mA এবং পীঠ প্রবাহ 0.2 mA হলে প্রবাহ বিবর্ধন গুণক কত? (What is the current amplification factor for a common base configuration of a transistor if its collector current is 19.8 mA and base current is 0.2 mA ? )