Question

For best operation of a BJT, which region must the operating point be set at?

(a) Active region

(b) Cutoff region

(c) Saturation region

(d) Reverse active region

This question was addressed to me during an interview for a job.

I'd like to ask this question from BJT DC biasing topic in chapter BJT Biasing of Analog Circuits

Answer 1

Correct answer is (a) Active region

The explanation: Operating point for a BJT must always be set in the active region to ensure proper functioning. Setting up of Q-point in any other region may lead to reduced functionality.