FCC Technician Exam Question Of The Day (T6A03)

Q) What electrical parameter is controlled by a potentiometer?

A) Resistance

NJ2X Notes:
The potentiometer is a variable resistor.  There are many different varieties.

• Linear taper potentiometer
• Logarithmic potentiometer
• "Fader"
• "Trimpot" or "Trimmer"
• "String"
• PCB mount
• Cabinet mount

Potentiometer