Multiple choice

Positive feed back is used in ________.

  1. high gain amplifier

  2. low gain amplifier

  3. oscillator

  4. simple gain amplifier

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Positive feedback occurs when a portion of the output signal is fed back to the input in phase with the original signal. This principle is essential for sustaining oscillations in an oscillator circuit.