Positive feedback is defined as feeding back a portion of the output to the input such that:
A)it reinforces the signal at the input.
B)there is no net phase shift.
C)the two are in phase.
D)all of these.

Question

Quizplus · Accepted Answer

Positive feedback refers to the process in which a fraction of output is added back to the input, which reinforces the input signal, resulting in a net increase in the output signal. In other words, it is a self-reinforcing loop that amplifies the input signal. Therefore, all of the given choices (A, B, and C) are correct.

Positive Feedback Is Defined as Feeding Back a Portion of the Output