Question

A single-pole model has __________ db/decade roll-off of the gain.

(a) -3 db/decade

(b) -6 db/decade

(c) -10 db/decade

(d) -20 db/decade

I had been asked this question during an online exam.

The question is from Effect of Finite Open-Loop gain and Bandwidth on Circuit Performance topic in chapter Operational Amplifiers of Electronic Devices & Circuits

Answer 1

The correct answer is (d) -20 db/decade

Easy explanation: It is a standard characteristic of a single-pole model.