What is indicated when a volume or tone control makes a scratchy noise as the shaft is rotated?
A) Shorted resistance element
B) Open resistance element
C) Worn or dirty resistance element
D) Wrong resistance value

Question

Quizplus · Accepted Answer

The scratchy noise when rotating a volume or tone control knob is typically caused by a worn or dirty resistance element within the potentiometer. Dirt, dust, or wear can disrupt the smooth operation of the contact wiper against the resistive material, causing intermittent or noisy electrical contact.

What Is Indicated When a Volume or Tone Control Makes