How is a positive feedback system different from a negative feedback system?
A) the effector causes a change to a controlled variable
B) positive feedback systems have no controlled variable
C) positive feedback systems increase the initial change in the variable
D) positive feedback systems oppose the initial change in the variable

Question

Quizplus · Accepted Answer

Positive feedback systems amplify or increase the initial change in the controlled variable, while negative feedback systems oppose or reduce the initial change in the controlled variable. Therefore, option C is the correct difference between the two systems.

How Is a Positive Feedback System Different from a Negative